「Theory of Horology」
Author Takashi Sasaya
English Translation by Toshihiko Chimura
Publishing Office Greenwich Meridian
TEL/FAX +81-467-77-7742
mail
meridiangreenwich@gmail.com
Available now via Amazon (UK,DE,FR,IT,ES,CA,US)
This book deeply explains the theory of horology.
As a new point not existing in the current theory,introducing
derivation of the formula of Amplitude of pendulum and temp
using explanation of fluid dynamics and gravity,and numerical analysis.
Firstly derive equation of spring torque from curved beam theory correctly.
Numerical calculation of Escapement Error by RK 4 (Runge-Kutta method)
for the first time in the world.
There are, for example, how to draw hairspring after distortion and
many useful gnuplot sample program is also included.
「Theory of Horology」
2 Air Density & Coefficient of Viscosity
9 General Theory of Hairspring
11 Isochronism of Vertical Position
12 Temperature Compensation of Balance
「Theory of Horology」
Author Takashi Sasaya
English Translation by Toshihiko Chimura
Publishing Office Greenwich Meridian
TEL/FAX +81-467-77-7742
Available now via Amazon (UK,DE,FR,IT,ES,CA,US)
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This book deeply explains the theory of horology. As a new point not existing in the current theory,introducing derivation of the formula of Amplitude of pendulum and temp using explanation of fluid dynamics and gravity,and numerical analysis. Firstly derive equation of spring torque from curved beam theory correctly. Numerical calculation of Escapement Error by RK 4 (Runge-Kutta method) for the first time in the world. There are, for example, how to draw hairspring after distortion and many useful gnuplot sample program is also included.
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