Accession No

2105

Brief Description

dip circle, by L. Casella, English, 1900 (c)

Origin

England; London

Maker

L. Casella

Accession No

4529.006A4

Brief Description

TI-2500B Datamath electronic pocket calculator, Texas Instruments, Spanish, 1974 (c)

Origin

Spain

Maker

Texas Instruments

Accession No

6497

Brief Description

three metronomes with electrical contacts: one driving a mercury tilt switch; one, by J. Wagner, driving a bell striker; one, wind-up clockwork driven, by Radiguet & Collas; French, late 19th or early 20th century

Origin

France; Paris

Maker

Wagner, J. [6497.2] Radiguet and Massiot [6497.3]

Accession No

1429

Brief Description

Keating’s Patent Urinometer, by J. Hicks, English, 1900 (c)

Origin

England; London

Maker

Hicks, J.

Accession No

1537

Brief Description

achromatic compound microscope, by Carl Zeiss, German, 1890 (c)

Origin

Germany; Jena

Maker

Carl Zeiss

Accession No

1054

Brief Description

two microscope objectives, attributed to Giovanni Battista Amici, Italian, circa 1835

Origin

Italy [based on attributed maker]

Maker

Amici, Giovanni Battista [attributed]

Accession No

2667

Brief Description

quartz prism

Origin

Maker

Accession No

1957

Brief Description

vacuum tube with whelk shell target, 1900–1950

Origin

Maker

Accession No

4529.008

Brief Description

Memory Man electronic pocket calculator, by Decimo, Japanese, 1975 (c)

Origin

Japan

Maker

Decimo

Accession No

2939

Brief Description

‘Macaura’s Pulsocon’; ‘blood circulator’ vibrating massage medical device, by British Appliances Manufacturing Company; English, 1920 (c)

Origin

English

Maker

British Appliances Manufacturing Company