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Richard Bond clock escapement video documentation (1997)
Interviews by and with NMAH staff members Carlene Stephens and William David Todd, documenting a succession of clock escapements invented by Richard F. Bond in the 19th century. Bond's invention was called isodynamic escapement. Two of the three regulators videotaped are located in the Division of the History of Technology collections, NMAH.
0.25 cu.ft.: 2 boxes containing 2.5 hours of original videos.
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