Shelfmark

Hil.421

Maker

Hilger & Watts Ltd

Subjects

Aeronautical instruments -- Design and construction; Compass -- calibration; Machinery -- Alignment; Navigation; Surveyor’s compass

Title

Watts Datum Compass

Description

Purposes to which the instrument is suited are followed by detailed information under these headings: Description of the Datum Compass; Fore-and-aft Reference Marks; Doppler Aerials; Accessories supplied; One Example of Method of Use; Specification; Weights and Dimensions; Catalogue Numbers (SC 21)

Earliest Date

1961

Latest Date

1961

Pages

4

Address

98 St. Pancras Way, Camden Road, London N.W. 1

Other Makers

Cat no

CS 128/2

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref