Shelfmark

Hil.437

Maker

Hilger & Watts Ltd

Subjects

Optical instruments; Prospecting -- Geophysical methods; Magnetic variometer; Measurement; Geophysical instruments

Title

Watts magnetic force variometers for geophysical prospecting

Description

Information is presented under these headings:-
The Magnetic Method of Geophysical Prospecting:
The vertical force variometer,
The horizontal force variometer;
Magnet System;
Reading System;
Levelling Base and Tripod;
Auxiliary Magnets;
Compass;
Drying Agent;
Handbook;
Calibrating Apparatus;
Recording Camera;
Catalogue Numbers [for variometers SG1 and SG2];
Extras for Horizontal and Vertical Force Variometers SG3, 5-6,
8-11, SD 167;
Spares for Horizontal and Vertical Force Variometers SG12-18,
25, 26, 44, SD 246;

Earliest Date

1956

Latest Date

1956

Pages

11

Address

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

Other Makers

Cat no

CS 64/2

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref