Drawings of interiors by English artist John Wykeham Archer. Living from 1808 to 1864, he studied engraving under John Scott. Archer mostly drew the outside of buildings and places but I like these better. Collections of the British Museum, London.

Staircase by Inigo Jones in Ashburnham House, Little Dean’s Yard, Westminster; a view of a grand and ornate staircase, a young woman in a red skirt and dark top ascends the stairs, followed by a small black and white dog halfway up the first flight. 1849. English.
Drawing, watercolor over graphite. John Wykeham Archer, artist (1808-1864). Collections of the British Museum. Image © The Trustees of the British Museum. Artwork in the public domain due to age. https://www.britishmuseum.org/collection/object/P_1874-0314-11
Chapter House door, Cloisters, Westminster; beneath an ornate fan-vaulted ceiling is an open door set into the wall, seven people in white gowns and academic caps walk away from it along the cloistered passage towards the distant left. ca. 1850. English. Drawing, watercolor with bodycolor over graphite. John Wykeham Archer, artist (1808-1864). Collections of the British Museum. Image © The Trustees of the British Museum. Artwork in the public domain due to age. https://www.britishmuseum.org/collection/object/P_1874-0314-280
Hall and staircase of a house in Little Cloisters, Westminster Abbey; a hallway, with on the right a window with small stained glass features inset into the panes, and a view of an exterior wall with a ladder leaning against it, on the windowsill is a feather fan, and to the left of the image is a carpeted and wood-paneled staircase next to which stands a bust on a column. ca. 1842-1859. English. Drawing, watercolor with bodycolor over graphite. John Wykeham Archer, artist (1808-1864). Collections of the British Museum. Image © The Trustees of the British Museum. Artwork in the public domain due to age. https://www.britishmuseum.org/collection/object/P_1874-0314-294

Fill your powder room with 18th century looking people all in different colorways but dressed the same. “Marquise” ou “Fais ce que dois” 1928-1929 wallpaper mockups in different colorways from Isidore Leroy, makers of fine wallpaper since 1842.

“Marquise” ou “Fais ce que dois” wallpaper mockup in nine colors. 1928-1929. French. Gouache on paper. Robert Mahais, illustrator. Société Isidore Leroy. Collections of the Bibliothèque Forney. Bibliothèque Nationale de France/Gallica BnF. https://bibliotheques-specialisees.paris.fr/in/imageReader.xhtml?id=ark:/73873/pf0000847772/0001&ark=/ark:/73873/pf0000847772/0001

“Marquise” ou “Fais ce que dois” wallpaper mockup in nine colors. 1928-1929. French. Gouache on paper. Robert Mahais, illustrator. Société Isidore Leroy. Collections of the Bibliothèque Forney. Bibliothèque Nationale de France/Gallica BnF. https://bibliotheques-specialisees.paris.fr/ark:/73873/pf0000847772/0002?

“Marquise” ou “Fais ce que dois” wallpaper mockup in nine colors. 1928-1929. French. Gouache on paper. Robert Mahais, illustrator. Société Isidore Leroy. Collections of the Bibliothèque Forney. Bibliothèque Nationale de France/Gallica BnF. https://bibliotheques-specialisees.paris.fr/ark:/73873/pf0000847772/0003?

The description with these on Gallica BnF states that the original drawings for these mockups was cited in The Renaissance of French art, August and September 1928; Living Art, September 28; wallpapers and stains, March and August 1928; Advertising in Illustration, 1929. The same drawings also won a fourth prize in the competition organized by the Société Isidore Leroy in 1928. Visit Isidore Leroy here. https://us.isidoreleroy.com/

Time travel back for your own 1802-1803 tiny house or just copy the plans and have one that is fully air-conditioned. Imagery taken from “A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture.” Printed in London, England by J. and T. Carpenter.

Design number 17. Plate number 14. London, published by James Malton October 1802 or 1803. Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Design number 18. London, published by James Malton October 1802 or 1803. Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Design 3 and Design 4. Plate 2. London, published by James Malton October 1802 or 1803. Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Design 9. Plate 6. London, published by James Malton October 1802 or 1803. Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Design 11. Plate 9. London, published by James Malton October 1802 or 1803. Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Design 18. London, published by James Malton October 1802 or 1803. Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the
Pair of gatehouses. Design 28. London, published by James Malton October 1802 or 1803. Hand-colored aquatint, taken from A Collection of Designs for Rural Retreats as Villas. Principally in the Gothic and Castle Styles of Architecture. Printed in London, England by J. and T. Carpenter. Image © 2024 Michael Laird Rare Books. Fair use license. via https://www.michaellaird.com/pages/books/4139/james-malton/gothic-architecture-a-collection-of-designs-for-rural-retreats-as-villas-principally-in-the

Imagery from “Modern Design for Jewellry and Fans.” Edited by Charles Holme and published in 1902 in London, Paris, and New York. Art Nouveau. These all being from the French chapter.

Design for a fan by Georges de Feure. French. 1902. Plate 1, image 22 of Modern Design for Jewellry and Fans edited by Charles Holme. Collections of the Robarts Library, University of Toronto. In the public domain due to age. via https://archive.org/details/moderndesigninje00holmuoft/page/n22/mode/1up

Parure de Corsage, in Gold and emeralds: Mucha and G. Fouquet. 1902. Plate 7. Image 29 of Modern Design for Jewellry and Fans edited by Charles Holme. Collections of the Robarts Library, University of Toronto. In the public domain due to age. via https://archive.org/details/moderndesigninje00holmuoft/page/n29/mode/1upa
Left: Comb in Enamel, Shell, and Precious stones. Designed by Paul Follot. Executed by La Maison Moderne; Center: Design for a Comb in Enamel, Shell, and incrusted gold. From an original drawing by Henri Vever; Right: Comb in Enamel, Gold, Shell, and Precious Stones. Designed by Paul Follot. Executed by La Maison Moderne. 1902. Plate 19. Image 45 of Modern Design for Jewellry and Fans edited by Charles Holme. Collections of the Robarts Library, University of Toronto. In the public domain due to age. via https://archive.org/details/moderndesigninje00holmuoft/page/n44/mode/1up

Motifs decoratifs to use wherever you like. Make your own adult coloring book. Imagery by Jules Habert-Dys who was born in 1850 with these images published in 1900.

Page 10, Motifs decoratifs. Jules Habert-Dys, artist (1850-?) French. Published in 1900 by Librairie de l’Art. Collections of the Getty Research Institute. Artwork in the public domain due to age. https://archive.org/details/motifsdecoratifs00habe/page/n10/mode/1up
Page 15, Motifs decoratifs. Jules Habert-Dys, artist (1850-?) French. Published in 1900 by Librairie de l’Art. Collections of the Getty Research Institute. Artwork in the public domain due to age. https://archive.org/details/motifsdecoratifs00habe/page/n15/mode/1up
Page 17, Motifs decoratifs. Jules Habert-Dys, artist (1850-?) French. Published in 1900 by Librairie de l’Art. Collections of the Getty Research Institute. Artwork in the public domain due to age. https://archive.org/details/motifsdecoratifs00habe/page/n17/mode/1up
Page 21, Motifs decoratifs. Jules Habert-Dys, artist (1850-?) French. Published in 1900 by Librairie de l’Art. Collections of the Getty Research Institute. Artwork in the public domain due to age. https://archive.org/details/motifsdecoratifs00habe/page/n21/mode/1up
Page 26, Motifs decoratifs. Jules Habert-Dys, artist (1850-?) French. Published in 1900 by Librairie de l’Art. Collections of the Getty Research Institute. Artwork in the public domain due to age. https://archive.org/details/motifsdecoratifs00habe/page/n26/mode/1up

Dress up your home like the Empress Josephine is coming to stay. Décor ideas by French decorator Jean-Démosthène Dugourc who lived from 1749 to 1825. Collections of the Musée des Arts Décoratifs, Paris.

Projet de décor mural. 1790. French. Design sketch, watercolor over pen strokes in black ink on paper glued in full on blue paper, framed in pen and black ink. Jean-Démosthène Dugourc, designer/artist. Inventory #CD 2723. Collections of and image © the Musée des Arts Décoratifs, Paris. Artwork itself in the public domain due to age. via http://collections.madparis.fr/projet-de-decor-mural-0
Projet de lit à la polonaise. ca. 1790, before 1825. French. Watercolor on paper with pen and black ink. Jean-Démosthène Dugourc, designer/artist. Inventory #CD 2719. Collections of and image © the Musée des Arts Décoratifs, Paris. Artwork itself in the public domain due to age. via http://collections.madparis.fr/projet-de-lit-a-la-polonaise
Projet de console. ca. 1790, before 1825. French. Watercolor on paper with pen and black ink. Jean-Démosthène Dugourc, designer/artist. Inventory #CD 2725. Collections of and image © the Musée des Arts Décoratifs, Paris. Artwork itself in the public domain due to age. via http://collections.madparis.fr/projet-de-console-16
Décor mural intérieur et mobilier à l’étrusque. ca. 1790, before 1825. French. Watercolor on paper with pen and black ink. Jean-Démosthène Dugourc, designer/artist. Inventory #CD 2718. Collections of and image © the Musée des Arts Décoratifs, Paris. Artwork itself in the public domain due to age. via http://collections.madparis.fr/decor-mural-interieur-et-mobilier-a-l-etrusque
Projet pour deux ployants.ca. 1790, before 1825. French. Watercolor over pen strokes in black ink on paper glued in full on blue paper, double framed in pen and black ink. Jean-Démosthène Dugourc, designer/artist. Inventory #CD 2729. Collections of and image © the Musée des Arts Décoratifs, Paris. Artwork itself in the public domain due to age. via http://collections.madparis.fr/projet-pour-deux-ployants
Projet de lit à toile rayée. 1790, before 1825. French. Pen and black ink with watercolor on paper stuck on blue paper, framed in Indian ink. Jean-Démosthène Dugourc, designer/artist. Inventory #CD 2727. Collections of and image © the Musée des Arts Décoratifs, Paris. Artwork itself in the public domain due to age. via http://collections.madparis.fr/projet-de-lit-a-toile-rayee-7
Projet de chaise “étrusque”. ca. 1790, before 1825. French. Watercolor on paper with pen and black ink. Jean-Démosthène Dugourc, designer/artist. Inventory #CD 2739. Collections of and image © the Musée des Arts Décoratifs, Paris. Artwork itself in the public domain due to age. via http://collections.madparis.fr/projet-de-chaise-etrusque

Artwork by French set designer Jean-Louis Chéret in the collections of the National Library of France or at least on their website. Living from 1820 to 1882, it looks like he did set design for various Paris theatres.

Set design for a production of L’arbre de Noël : féerie en trois actes staged at the  Théâtre de la Porte Saint-Martin, Paris on May 10, 1880. Henri Robecchi and Jean-Louis Chéret, set designers. 1880. French. Sketch of a set design. Jean-Louis Chéret, artist (1820-1888). Collections of the Bibliothèque nationale de France gallica.bnf.fr. Artwork in the public domain due to age. via https://gallica.bnf.fr/ark:/12148/btv1b7000039r.r=Jean-Louis%20Cheret?rk=21459;2
Set design for the Interior of the l’Excentric-Club à Londres scene in Act I, Scene I of a production of Le Tour du Monde en 80 Jours, a French production in translation of Around the World in 80 Days that was staged at the Théâtre de la Porte Saint-Martin in Paris on July 11, 1874. French. Sketch of a set design. Jean-Louis Chéret, artist and set designer (1820-1888). Collections of the Bibliothèque nationale de France gallica.bnf.fr. Artwork in the public domain due to age. via https://gallica.bnf.fr/ark:/12148/btv1b70012976.r=Jean-Louis%20Cheret?rk=85837;2
Set design for an unknown production that looks like it was set in Ancient Greek or Roman times. 1879. French. Set design sketch in pen and ink with watercolor. Jean-Louis Chéret, artist and set designer (1820-1888). Collections of the Bibliothèque nationale de France gallica.bnf.fr. Artwork in the public domain due to age. via https://gallica.bnf.fr/ark:/12148/btv1b7000382s.r=Jean-Louis%20Cheret?rk=128756;0
Set design for the Interior of the Palace scene in Act IV, Scene 10 of Théodoros for an unknown theatre. 1868. French. Charcoal heightened with white on paper. Jean-Louis Chéret, designer and artist (1820-1888). Collections of the Bibliothèque nationale de France gallica.bnf.fr. Artwork in the public domain due to age. via https://gallica.bnf.fr/ark:/12148/btv1b7001296s.r=Jean-Louis%20Cheret?rk=193134;0
Set design for the deux entrées au Louvre in Act II, Scene 4 of a production of La dame de Monsoreau. 1879. French. Pencil with white highlights on paper. Jean-Louis Chéret, designer and artist (1820-1888). Collections of the Bibliothèque nationale de France gallica.bnf.fr. Artwork in the public domain due to age. via https://gallica.bnf.fr/ark:/12148/btv1b7000124n.r=Jean-Louis%20Cheret?rk=214593;2

Beautiful designs by Émile Gallé for a vase and a goblet, it looks like. These are turning up on a Russian art history site.

Decor project with octopuses for a vase. 1884-1903. French. Émile Gallé, designer/maker. Collections of the Museum d’Orsay, Paris. The image itself has a watermark for art.biblioclub.ru but the design itself is in the public domain due to age. via https://art.biblioclub.ru/picture_75318_proekt_dekora_s_osminogami_dlya_vazyi/
Design for a vase. By 1904. French. Émile Gallé, designer/maker. Collections of the Musée des Beaux-Arts de Nancy. The image itself has a watermark for art.biblioclub.ru but the design itself is in the public domain due to age. via https://art.biblioclub.ru/picture_75318_proekt_dekora_s_osminogami_dlya_vazyi/

Watercolor designs for porcelain, by the Samson et Cie. manufactory which was established in Paris, France ca. 1845 by “Edmé Samson (1810-1891). It was later run by his son, Emile who moved the factory to Montreuil in 1864.

Original design by designers at the Samson et Cie porcelain factory for a porcelain pitcher, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/14128/samson-co-designers/an-original-design-for-a-porcelain-pitcher
Original design by designers at the Samson et Cie porcelain factory for a porcelain plate, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/8602/samson-co-designers/an-original-design-for-a-porcelain-plate
Original design by designers at the Samson et Cie porcelain factory for a porcelain plate, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/8603/samson-co-designers/an-original-design-for-a-porcelain-plate
Original design by designers at the Samson et Cie porcelain factory for a porcelain plate, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/8610/samson-co-designers/an-original-design-for-a-porcelain-plate
Original design by designers at the Samson et Cie porcelain factory for a porcelain plate, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/13942/samson-co-designers/an-original-design-for-a-porcelain-plate
Original design by designers at the Samson et Cie porcelain factory for a porcelain plate, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/13948/samson-co-designers/an-original-design-for-a-porcelain-plate
Original design by designers at the Samson et Cie porcelain factory for a porcelain plate, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/13983/samson-co-designers/an-original-design-for-a-porcelain-plate

Original design by designers at the Samson et Cie porcelain factory for a porcelain plate, intended as a reference source from which the porcelain painters could work, using the design as a guide for the colors and image to be transformed from paper into fine porcelain. 1845 or later. Made in Paris, France. Pen, ink, and watercolor. © 2023 Donald A. Heald Rare Books. Fair use license. via https://www.donaldheald.com/pages/books/15910/samson-co-designers/an-original-design-for-a-porcelain-plate

 The intention of Samson et Cie. was to reproduce ceramics from museums and private collections, and they claimed that all such reproductions would be distinctly marked to avoid confusion with the originals. The range of wares included copies of 18th-century porcelain from such factories as Sèvres, Chelsea, Meissen and Derby, Chinese export-wares, especially armorial wares decorated with famille rose colours and mugs decorated with the Fitzhugh pattern, Delftware, Iznikware, maiolica and faience.” (Grove Dictionary of Art). (taken from the dealer’s description).

Designs decorated with clouds and ducks and all sorts of wonderful things. French and by  Jules-Edmond-Charles Lachaise who would be called an interior decorator nowadays. Born ca. 1830, he died in 1897.

Design for a carved and painted ceiling with clouds and ducks in the central circular panel. 1830-1897. French. Jules-Edmond-Charles Lachaise, maker. In the public domain due to age. via https://artvee.com/dl/design-for-a-carved-and-painted-ceiling-with-clouds-and-ducks-in-the-central-circular-panel#00
A garden pavilion in a forested landscape. 1830-1897. French. Drawing. Jules-Edmond-Charles Lachaise and Eugène-Pierre Gourdet, makers. Collections of the Metropolitan Museum of Art. CC0 License 1.0. via https://commons.wikimedia.org/wiki/File:A_garden_pavilion_in_a_forested_landscape_MET_DP811562.jpg
Design fo the Allegory of the Arts. 1850-1897. French. Drawing in Graphite, gouache, and watercolor. Jules-Edmond-Charles Lachaise and Eugène-Pierre Gourdet, makers. Collections of the Metropolitan Museum of Art. CC0 License 1.0. via https://commons.wikimedia.org/wiki/File:Design_fo_the_Allegory_of_the_Arts_MET_DP811628.jpg
Ceiling Design for the Pless Chateau, Silesia. 1850-1897. French. Drawing in gouache. Jules-Edmond-Charles Lachaise and Eugène-Pierre Gourdet, makers. Collections of the Metropolitan Museum of Art. CC0 License 1.0. via https://commons.wikimedia.org/wiki/File:Ceiling_Design_for_the_Pless_Chateau,_Silesia_MET_67.827.149.jpg
Design for a room with double doors decorated with garlands of fruit and flowers, scrolls, and lattice work. 1850-1897. French. Pen and ink and watercolor on tracing paper; mounted on heavy wove paper. Jules-Edmond-Charles Lachaise and Eugène-Pierre Gourdet, makers. Collections of the Metropolitan Museum of Art. CC0 License 1.0. via https://commons.wikimedia.org/wiki/File:Design_for_a_room_with_double_doors_decorated_with_garlands_of_fruit_and_flowers,_scrolls,_and_lattice_work_MET_DP811574.jpg