ELSIE from Time-Life 1950
ELSIE (photographed 1950)
ELSIE still image from BBC newsreel clip.
ELSIE - annotated image from Life magazine May 15, 1950
1948 Memo from Edison Swan requesting the 'tortoise female'
When one reads through documents and histories on cybernetic and cybernetic models, one of the earliest models refered to is the Toy Beetle. The key reference is A. J. LOTKA. Elements of Physical Biology. Baltimore, 1925. Normally you see it in simple diagrammatic form, but after many hours on patent…
U.S. Patent Serial No. 1,017,066 Filed 1911