TY  - BOOK
AU  - Grossmann,Jules
AU  - Grossmann,Hermann
AU  - Allan,James
TI  - Lessons in horology
PY  - 1905///-
CY  - Philadelphia
PB  - The Keystone
KW  - Clocks and watches
KW  - fast
KW  - Theory General
KW  - Switzerland
KW  - Theoretical advanced
KW  - Timekeeper (general)
N1  - volume 1. The principles of cosmography and mechanics relating to the measurement of time--motive force, mainsprings, trains, gearings, et cetera
ER  -