Document Details Origin [The?] of the differential gear and its connection with Equation Clocks:
Number of documents found: 1
- Title: Origin [The?] of the differential gear and its connection with Equation Clocks 
 SubTitle: read at a joint meeting of the AHS and the Newcomen Society at the Science Museum, 10th Oct. 1956
- Author: Hans vonBertele- Publisher: AHS
 Keywords: astro complication
 Other Keywords: equation
 Language: ENG
 Notes: Speech on Equation clocks and differential guearing 1956
 Edition: 1956 -- Copyright: 1956
 Kind: Book
 Type: Clock (general)
 Geographic area: Not Geographic
 Topic: Gearing
 Organization: NA/other
 Pages: 8 -- Height in cm: 27
 Print Status: 2 (1 means in print - 2 means out of print)
 BHM No: 3911
- Publisher: AHS
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