Antiquarian Horology [Vol.15, 1984-1985] and proceedings of the Antiquarian Horological Society :: Number of documents found: 2
(7942) Kater's Escapement
- Author: Woodward, Philip :: Year Vol (No) Month (or Chapter/Auction item): 1985 dec :: Pages: 573-581 + later corr
- Comments and/or Abstract >
(7961) Measurement of the quality factor of the pendulums of four clocks by John Harrison
- Author: Bateman, D. A. :: Year Vol (No) Month (or Chapter/Auction item): 1985 sep :: Pages: 479 - 489
+ late
- Comments and/or Abstract > Measuremts of Q on Harrison gridiron pendulums resulted in Q of approximately 500 - conclusion was
that this low value of Q could not support the claims of accuracy