|
Date: |
|
Description: | REGD NO 30 MANUFACTURED BY THE SPERRY GYROSCOPE Co lLtd LONDON TANK DIRECTIONAL GYRO No L 130 MK LI MOD 1 PATENTS 213791 379139 497584 497707 OTHER PATENTS PENDING PATENTED IN ALL PRINCIPAL COUNTRIES
SPERRY
Consists of a gyro compass which has a black metal card marked in white, graduated to 360 degs, mounted in gimbals in a green painted alloy outer casing which has a viewing window on one side.
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | tank compasses | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
|
|