Shelfmark

Hil.497

Maker

Hilger & Watts Ltd

Subjects

Alidades; Optical instruments; Scales (Technology)

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; Addendum to Catalogue CS 2/4: Plane Tables and Tripods: Plane Tables, Tripods, Catalogue Numbers SA 5-8, SA 60, SA 201

Earliest Date

1952

Latest Date

1952

Pages

8

Address

48 Addington Square, London, S.E. 5

Other Makers

Cat no

CS 2/4

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref