Accession No

1717

Brief Description

universal mechanical equinoctial dial, by C. W. Heilmann, German, 18th Century

Origin

Germany

Maker

Heilmann, C. W.

Accession No

2262

Brief Description

luminous plate, 1900-1950 (c)

Origin

Maker

Accession No

1375

Brief Description

parallel rule, c.1700

Origin

Maker

Accession No

2217

Brief Description

hypsometer, Troughton & Simms

Origin

London; England

Maker

Troughton & Simms

Accession No

3697

Brief Description

Boys’ radiomicrometer, English, 1890-1900 (c)

Origin

Maker

Accession No

3657

Brief Description

magnetic hysteresis tester, 1905-1915 (c)

Origin

Maker

Accession No

0337

Brief Description

parallel rule, by William Harris, English, 1825 (c)

Origin

England; London; 50 Holborn

Maker

Harris, William

Accession No

4011

Brief Description

radiomicrometer, by Cambridge Scientific Instrument Company Ltd., English, 1914

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Accession No

2496

Brief Description

calculating machine by Rema, c.1920

Origin

Maker

Rema

Accession No

4821

Brief Description

botanical wall chart showing line graph of the relation of stomatal opening to water loss in Betula, by Bonner and Galson, English, 20th Century

Origin

England, Cambridge

Maker

Bonner, James Galston, Arthur W.