Shelfmark

Hil.442

Maker

Hilger & Watts Ltd

Subjects

Optical instruments; Alidades--Design; Telescopes; Measuring instruments

Title

Watts microptic alidade

Description

Information is presented under these headings: Construction; Telescope; Altitude Bubble; The Blade; General Design; Scales; Beaman Scales: Method of using Beaman Scales; General Arrangement of Microptic Alidade; Specification; Catalogue Numbers: SA 100-101, SD 191; Accessories, Other alidades and accessories: Boxwood alidades, [Catalogue numbers]; Plane Tables and Tripods: Catalogue numbers; Johnson Head

Earliest Date

1952

Latest Date

1952

Pages

7

Address

48 Addington Square, London, S.E. 5

Other Makers

Cat no

CS 2/3

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref