1 matching record(s)
file W (Stack)Shortt, W. H.
"Precision Time-Keeping with special reference to the New Inertia Escapement now being introduced in the "Synchronome" Astronomical Regulator"
offprint from the Journal of the British Horological Institution, 1912. Delivered to the Institute on 16th January, 1912.
[1974-122]
1912