JF Ptak Science Books: "A Most Delicate Monster"--the "Alpha" Robot of 1932
Boxing Robots of the 1930s — Paleofuture
Machine Age Robot Westinghouse Air Brakes Promotional Ashtray 1930
Matt Novak on Twitter: "This Venice Beach robot from the 1930s will ease your case of the winter blues https://t.co/3OyToZVPOW https://t.co/utwO4JouWm" / Twitter
1930 - SABOR II - August Huber (Swiss) - cyberneticzoo.com
Eric Robot & Capt. Richards. Berlin 1930 (Bundesarchiv) | Flickr