Two good hinges and a snap-lock. Measures 4 1/2 by 3 inches approx. Good, undamaged crystal and a clear dial. This instrument has been pressured-tested and functions as expected. 21-31 Inches and 0 10,000 Feet.Complete and undamaged on bone base. Both Fahrenheit and Centigrade scales.
P compass card, and transit lock under loup. Card spins freely and settles on magnetic North.
The item "FINE ANTIQUE POCKET CASED COMPENDIUM WITH BAROMETER, COMPASS & THERMOMETER" is in sale since Sunday, March 17, 2019. This item is in the category "Antiques\Science/Medicine\Scientific Instruments". The seller is "canis_est" and is located in Holt. This item can be shipped to United Kingdom.