Posters from the way back time when incandescence was exciting. Turn of the last century.

Poster advocating the use of gas incandescent lamps.1896.
Poster advocating the use of gas incandescent lamps.1896. Italian. Giovanni Mataloni, illustrator. In the public domain. via https://uauposters.com.br/poster-belle-epoque-vintage-4053
"Electricine - Eclairage de Lux" 1897.
“Electricine – Eclairage de Lux” 1897. French. Lithograph. Lucien Lefèvre, Printer. In the public domain. via https://www.thevintagenews.com/2016/01/31/49463/3
"Nederlandse Gasgloeilicht Maatschappi." 1897.
“Nederlandse Gasgloeilicht Maatschappij.” 1897. Dutch. Johann Georg van Caspel, illustrator. In the public domain in the United States because the artist has been dead over 70 years. via https://en.wikipedia.org/wiki/File:Nederlandse_Gasgloeilicht_Maatschappij_voorheen_J._Selten.jpg

Color lithographic posters by some of the leading lights of European art . . .some from before World War I sucked the joy out and a few after . . .

Apricot Brandy. ca. 1920. Dutch.
Apricot Brandy. ca. 1920. Dutch. Jacob Jongert, maker (1883-1942)In the public domain. via https://www.mfa.org/collections/object/apricot-brandy-270410.
Travel poster for Hamburg, Germany (Deutschland). 1925.
Travel poster for Hamburg, Germany (Deutschland). 1925. German. Willy Dzubas, maker (1877-1947). Collection of the Museum of Fine Arts, Boston. via http://spenceralley.blogspot.com/2018/12/lithographic-posters-early-twentieth.html.
Poster for the International Health Exposition held in Dresden. 1911.
Poster for the International Health Exposition held in Dresden. 1911. German. Franz von Stuck, maker (1863-1928). via https://www.mfa.org/collections/object/internationale-hygiene-ausstellung-dresden-international-health-exposition-dresden-532984.
Salamander Shoes. 1912.
Salamander Shoes. 1912. Austrian. Ernst Deutsch, maker (1883-1938). via https://www.mfa.org/collections/object/salamander-569074.

All of these posters except for the second one being in the collection of the Museum of Fine Arts, Boston. All works in the public domain. You can find them in many places around the internet but I found them here: http://spenceralley.blogspot.com/2018/12/lithographic-posters-early-twentieth.html.