Invention Room 
Invention Room details
Invention Room details
Viewed: 1435 times.

Dynamic Accentor
Dynamic Accentor
Viewed: 1329 times.

1-Aug-1956 article on Dynamic Accentor
1-Aug-1956 article on Dynamic Accentor
Viewed: 1204 times.

1912 Hammond was a US Delegate to the Int'l Telegraphic Conf in London
1912 Hammond was a US Delegate to the Int'l Telegraphic Conf in London
Viewed: 1921 times.

Alexander Graham Bell and John Hays Hammond Jr.
Alexander Graham Bell and John Hays Hammond Jr.
Viewed: 1943 times.

Castle lobby area was lab and business office
Castle lobby area was lab and business office
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Dr. Hammond at his office desk
Dr. Hammond at his office desk
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Hammond on the stairs in the Great Hall
Hammond on the stairs in the Great Hall
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Hammond watching his pipe organ being manufactured
Hammond watching his pipe organ being manufactured
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