ANTIQUE POCKET BAROMETER COMPENDIUM. Retailed by A&NCSL in late 1880.
For sale is a complete and functional gilt brass compensated barometer/altimeter signed A&NCSL (Army and Navy Cooperative Stores Ltd).
5 cm diameter and 2 cm thick. Passed plastic bag test, so functional.
Has a rotating bezel with marker and adjustment screw at the back.
25-31 pressure scale and 0-6000 ft altitude.
Good working order.

In the lid there is a circular thermometer mounted on bone with a removable compass at the centre; both working. The thermometer column is unbroken. Signed J.H.Steward, 66 Strand, London.

The compendium is mounted in a patched leather covered case that is complete and functional.

A&NCSL was formed in 1871 by a group of Army and Navy officers.

The compendium is photographed over an A&NCSL catalogue dated 1930.