what do you call this type of 1910 light switch? - OHW
What The Heck Does An 1890s Light Switch Look Like? – Restoring Ross
Antique Holophane Industrial Pull Chain Wall Sconce 1910 - Old School Warehouse
1929 light switches
Vintage Ladies Home Journal Magazine Tin Victorian Style Switch Plate – Tin Can Sally
This is in my room where a light switch would be. The switch does nothing as far as I can tell and has two positions (up/down). House was built in 1910 :