Accession No

4606

Brief Description

protractor by John Newman, 1/2 19th C.

Origin

122 Regent Street; London; England

Maker

Newman. John

Accession No

2906

Brief Description

gilt-brass assay balance

Origin

Maker

Accession No

4332

Brief Description

synchronous motor for use with tracing desk (visual observing) with Duddell oscillographs, by Cambridge Scientific Instrument Company Ltd., English, c.1900

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Accession No

4029

Brief Description

rotor temperature indicator / moving coil, pointer ohmmeter, by Cambridge Instrument Company Ltd., English, 1927

Origin

England; London

Maker

Cambridge Instrument Company Ltd.

Accession No

6093

Brief Description

pocket polarimeter, by Carl Zeiss, German, mid-20th Century

Origin

Germany; Jena

Maker

Carl Zeiss

Accession No

6094

Brief Description

mechanical electronic calculator, Comptometer 993s, with three instruction booklets, by Bell Punch Company Ltd., English, 1964 (c)

Origin

England

Maker

Bell Punch Company Ltd. Sumlock Comptometer Ltd.

Accession No

2956

Brief Description

simple microscope, ‘naturalist’s magnifier’ type [aka ‘compass microscope’; aka ‘pocket botanic microscope’], 19th century

Origin

Maker

Accession No

4901

Brief Description

botanical teaching diagram showing relict conifers in California, by Cain

Origin

Maker

Cain

Accession No

4709

Brief Description

botanical teaching diagram of Polysiphonia, 'development of female apparatus', by G. B. 'Herbert' Newham, English

Origin

England; Cambridge

Maker

Newham, G. B. 'Herbert'

Accession No

4529.241

Brief Description

Spelling B electronic pocket learning aid in case, by Texas Instruments, Salvadoran, 1978 (c)

Origin

El Salvador

Maker

Texas Instruments