Shelfmark

Hil.463.a

Maker

Hilger & Watts Ltd

Subjects

Levelling -- Instruments; Optics; Levels (Surveying Instruments)

Title

Checking verticality with the Cowley Level

Description

This advance information leaflet is a single sheet, giving written information on the front; and a diagram, with a tear-off section below it for requesting further details, on the back. Information on this combined Optiplumb and Cowley Level on the front page consists of a paragraph each on:- physical description of the instrument; how to set it up; how to adjust the optical unit; how to establish verticality; the diagram on the back of the sheet is headed: Checking verticality with the Cowley Level

Earliest Date

Latest Date

Pages

2

Address

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

Other Makers

Cat no

CS 179

Contents List

Hardback

Prices

Index

Illustrations

General Ref