Effect of temperature and pressure on watches and chronometers

LEROY (Bureau des Longitudes)
naca-tm-170
November 1922


This report examines tests of watches at low temperatures in order to develop a watch suitable for aviators.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1922/naca-tm-170.pdf