Artifact Details

Title

Callaghan & Co. pocket barometer/altimeter and thermometer

Catalog Number

B1644.01

Type

Physical object

Manufacturer

Callaghan & Co.

Place Manufactured

London, England

Dimensions

overall: 1/2 in x 6 in x 2 1/4 in

Description

Pocket barometer/altimeter and thermometer. Barometer is calibrated in both inches of Hg (21 to 31) and in feet of altitude (0 to 10,000). In the case is a glass thermometer formed into a small circle with calibrations in both Fahrenheit and Centigrade.

Category

Pre-computer/other

Lot Number

B1644.01