Accession No

3688

Brief Description

electrometer key or switch, by Elliott Brothers, English, 1890-1900 (c)

Origin

England; London

Maker

Elliott Brothers

Accession No

2904

Brief Description

perspectograph, by Gavard, 1850 (c)

Origin

Maker

Gavard

Accession No

3792

Brief Description

pair of ray diagrams, by P. Harris Ltd., after 1900

Origin

Maker

P. Harris Ltd.

Accession No

0154

Brief Description

horizontal dial, Butterfield type, by Michael Butterfield, French, circa 1690

Origin

France; Paris

Maker

Butterfield, Michael

Accession No

4440

Brief Description

projecting and parallel rulers by J. Tree, c.1849

Origin

22 Charlotte St; Blackfriars Road; London; England

Maker

Tree. J.

Accession No

2325

Brief Description

Eleven hydrometers of various types, by P. Stevenson, 1864

Origin

Edinburgh; Scotland

Maker

Stevenson. P.

Accession No

5383

Brief Description

botanical teaching model of an iris flower, probably late 19th Century

Origin

Maker

Accession No

4529.216A

Brief Description

X-24 electronic pocket calculator, by Commodore Business Machines Ltd., Japanese, 1975 (c)

Origin

Japan

Maker

Commodore Business Machines Ltd.

Accession No

4529.047B

Brief Description

SR-50 electronic pocket calculator, By Texas Instruments, Dutch, 1974 (c)

Origin

Holland (Netherlands)

Maker

Texas Instruments

Accession No

0173

Brief Description

compound microscope, horizontal, by Buron, French, circa 1850

Origin

France; Paris

Maker

Buron Nachet [eyepiece]