Antiquarian Horology [Vol.07, 1970-1972] and proceedings of the Antiquarian Horological Society :: Number of documents found: 5
(7943) Electricty, Magnetism & Clocks
- Author: Aked, Charles K. :: Year Vol (No) Month (or Chapter/Auction item): 1971 dec :: Pages: 398-415
- Comments and/or Abstract > excellent general
overview of electric clocks - History of development
(7945) The Grasshopper Escapement
- Author: Quill, H :: Year Vol (No) Month (or Chapter/Auction item): 1971 sep :: Pages: 288-296
- Comments and/or Abstract >
(7974) The grasshopper Escapement
- Author: Quill, Colonel H. :: Year Vol (No) Month (or Chapter/Auction item): 1971 sep :: Pages: 288-296
- Comments and/or Abstract >
(7966) The Grasshopper Escapement
- Author: Burgess, Martin :: Year Vol (No) Month (or Chapter/Auction item): 1971 dec :: Pages: 416 - 422 + letters
- Comments and/or Abstract > letters by Setchell, Laycock, Quill, Burgess,
(7973) The Grasshopper Escapement - Its Geometry and its Properties
- Author: Burgess, Martin :: Year Vol (No) Month (or Chapter/Auction item): 1971 dec :: Pages: 416-422
- Comments and/or Abstract >