Horological Journal [2011] - The official Organ of the British Horological Institute :: Number of documents found: 1
(15577) First Correct Drawing of the Grasshopper Escapement Ever Published [about1909 article by ET Cottingham in the 'Monthly Notes' of the RAS, Vol. 70,....
- Author: Hastings Peter :: Vol 153, Feb. 2011 issue Year Vol (No) Month (or Chapter/Auction item): :: Pages: 79-81
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