Shelfmark

Hil.494 [in: HIL SURV - shelved with BOOKS]

Maker

Hilger & Watts Ltd

Subjects

Surveying -- Instruments; Telescopes; Theodolites; Levels; Mining; Altimeter

Title

Watts general catalogue of survey equipment, Section 1: Vernier & Micrometer Theodolites

Description

Information is presented under these headings:- Foreword; Design; Figuring of Circles; Telescope Graticules; General Specification for Vernier Theodolites: Telescope, Circles, Bubbles, Levelling Bases, Tripod, Case, [Cat. nos.]; The Vernier Mining Theodolite: [Cat. nos.]; Mining outfits: [Cat. nos.]; ; Extras for Vernier Theodolites: Striding Level, Bubble on Telescope, Bubble (Reversion) under Telescope, Long Diagonal Eyepiece, Prism Eyecap, Tubular Compass, Illuninating Cap, Short-focus Lens, Relector, Auxilairy Telescope, Centring Thorn, Sliding Leg Tripod, Wall Tripod, Leather Outer Carrying Case, Carrying Case, Outer Carrying Case [4 versions], Cases; The Ewing Stadi-Altimeter Specification; General Description of the Stadi-Altimeter: Construction, Method of Use, Fitting to Theodolite; Other Products

Earliest Date

1956

Latest Date

1956

Pages

12

Address

48 Addington Square, London, S.E. 5

Other Makers

Cat no

CS 100/1/3

Contents List

Hardback

Prices

Index

Illustrations

Yes

General Ref