Shelfmark

Hil.448

Maker

Hilger & Watts Ltd

Subjects

Optical instruments; Surveying--Instruments.; Measuring Instruments; Theodolites

Title

Watts microptic theodolite no. 1

Description

A brief history of the company is followed by product information presented under these headings:-
General Description:
Telescope, The optical system, Glass circles and reading systems, Illumination, Spirit levels, Axis and controls, Plumbing, Levelling base, Tripod, Case, Specification;
Mining and Other Accessories [Catalogue Numbers];
Watts no. 1 Mining Traverse Equipment:- The targets, Optical plummet, Levelling bases and tripods, Method of working Sections 1-3; Specifications

Earliest Date

Latest Date

1961

Pages

15

Address

48 Addington Square, London S.E. 5

Other Makers

Cat no

n.a.

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref