Accession No

0615

Brief Description

dividers, 18th C

Origin

Maker

Accession No

5520

Brief Description

botanical teaching diagram, depicting Pinus, by Stigwood

Origin

Maker

Stigwood

Accession No

1444

Brief Description

five standard resistors in a single case, 1 to 5 ohms, by Warden, Muirhead and Clark, English, December 1875

Origin

England; London; Westminster

Maker

Warden, Muirhead and Clark

Accession No

4529.395

Brief Description

Casio S-2 electronic desk-top calculator, by Casio Computer Company Ltd., Japanese, 1970 (c)

Origin

Japan

Maker

Casio Computer Company Ltd.

Accession No

6015

Brief Description

HP-35 scientific electronic pocket calculator, by Hewlett Packard, Singapore, c. 1973, with battery charger AC adaptor.

Origin

Singapore

Maker

Hewlett Packard

Accession No

4529.396

Brief Description

TI-30 electronic pocket calculator in case, Texas Instruments, Italian, 1980 (c)

Origin

Italy

Maker

Texas Instruments

Accession No

6116

Brief Description

Harrow mark reducer slide rule, by Aston and Mander Ltd., English, 3/4 19th Century

Origin

England; London

Maker

Aston and Mander Ltd.

Accession No

6713

Brief Description

flat mathematical scale rule, reigle platte, based on scales illustrated and described in Geometriae Practicae, pars Tertia by Adrian Metius, by Wiglius, Dutch [attributed], late 1620s (c)

Origin

Dutch Republic [now Netherlands] [attributed, based on the hook on the bottom of the '4']

Maker

Wiglius [attributed]

Accession No

4242

Brief Description

indicator, wall type / moving coil, pointer ammeter, Cambridge Instrument Company Ltd., English, 1937

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Accession No

3336

Brief Description

variable capacitor, by Cambridge Instrument Company Ltd., England, 1920-1930 (c)

Origin

England

Maker

Cambridge Instrument Company Ltd.