Japanese Lamp Sockets, 1930s

Japanese Lamp Sockets ad, 1930s, originally uploaded by Gatochy.

Click image for 800 x 557 size. Scanned from Taschen's "Japanese Beauties".

This is an ad for lamp sockets. You can save energy/electricity with these sockets. You can light either the small bulb or the big bulb. (instead of using a dimmer). (Thanks to Paula Wirth for translating!)