Shelfmark

Swi.1

Maker

James Swift & Son; Ltd.

Title

[Auxiliary Micrometer Stage]

Description

Shelfmark

Kel.4

Maker

Kelvin Hughes (Industrial) Ltd.

Title

‘Transverse wave’ probes for Butt Weld testing

Description

Shelfmark

Csi.74

Maker

Cambridge and Paul Instrument Co. Ltd.

Title

Cambridge Thermometers

Description

Includes details of construction.

Shelfmark

Lei.11.16

Maker

Leitz

Title

Metallurgical Microscope

Description

Shelfmark

Ams.4

Maker

Alfred J. Amsler & Co.

Title

Description

Set of leaflets advertising various instruments, with covering letter giving prices.

5 single sheets and two booklets of 2 and 4 pages respectively.

Shelfmark

Zei.170

Maker

Carl Zeiss

Title

Microscopes and Microscopical Accessories. No. 29, 1891.

Description

A catalogue of Zeiss microscopes & accessories from 1891.

Shelfmark

you.129

Maker

Hilger & Watts Ltd.

Title

Hilger & Watts - Group Accounts

Description

Correspondence between Mr. Campbell at Hilger & Watts, and J. Davis at The Rank Organisation Ltd regarding complications of a stock-take and accounts being delivered to Mr. Davis.

Shelfmark

Mar.4

Maker

Patent Office; Marconi Instruments Limited

Title

Improvements in or relating to wheatstone bridge resistance measuring circuits

Description

Provisional Specification, followed by Complete Specification, of Marconi Instruments Limited for their invention relating to improvements in wheatstone bridge resistance measuring circuits, and particularly to bridge circuits of the kind in which at least one arm of the bridge includes the anode-cathode space of a thermionic valve. Diagram included at back of document.

Shelfmark

Hil.452.

Maker

Hilger & Watts Ltd

Title

Watts microptic theodolite no. 2

Description

Information is presented under these headings:- Foreword; Ten Points of Interest; Reading the Circles; Specification [including ST 160 Microptic Theodolite no. 2]; Extras; Universal Traverse Equipment [including]: The theodolite, Levelling base, Optical plummet, Target, Tripod, Tripod cap and carrying sling; Extras: Tall target; For Catenary Taping: Index head, Micrometer index head [all with cat. numbers]

Shelfmark

Mxk.2

Maker

Max Kohl

Title

Apparate und Chemikalien zur subjektiven und objektiven Beobachtung der festen, fliessenden und flussigen Kristalle

Description

Other instruments included too.