Showing results for "1900-1950"
Hoot-Nanny No. 1
Northern Signal Company (Flo-Tronics)
Circa 1950
Hoot-Nanny No. 2
Northern Signal Company (Flo-Tronics)
Circa 1950
Meccanograph no.8.02
Meccano System
1949
Chambre Claire Universelle (Camera Lucida)
Pierre Berville
1948
Meccanograph no.8.22
Meccano System
1941
Signature Writing Apparatus
Louis Glassman
1940
Apparatus for Producing Stereographic Drawings
John T. Rule
1937
Robot Pen
Unknown
1937
Pendulum Toy
G.E. Worthington
1932
Chambre Claire Universelle (Camera Lucida)
Pierre Berville
1925