Shelfmark

Hil.462

Maker

Hilger & Watts Ltd

Subjects

Optical instruments--Handbooks; manuals etc.; Surveying -- Instruments; Measurement

Title

Watts optical squares: instructions for use

Description

The document is a folded leaflet with information on the two inside pages arranged under these headings:- B 613; Method of Use 1.To lay our a right angle 2. To establish two stations at 180 degrees and any number of points between; B 614: Method of Use 1. B.614 as a hand level 2. For laying out right angles

Earliest Date

1949

Latest Date

1949

Pages

2

Address

48 Addington Square, London S.E. 5

Other Makers

Cat no

CS 26

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref