Accession No

1949

Brief Description

vacuum tube, c.1885

Origin

Maker

Accession No

4268

Brief Description

moving coil, pointer voltmeter, by Cambridge Scientific Instrument Company Ltd., English, 1905 (c)

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Accession No

6689

Brief Description

children's chemistry manual, Exploring Chemistry, with order form, by Skilcraft, written by Dr. Ray Koppelman, U.S.A., c. 1969

Origin

U.S.A.; Chicago

Maker

Skilcraft Corporation [publisher] Koppelman, Ray [author]

Accession No

3516

Brief Description

engraving, portrait of Priestley, by W. Holl after Gilbert Stewart, English, 19th Century

Origin

England; London

Maker

Holl, W. [engraver] Stewart, Gilbert [original artist] Knight, Charles [publisher]

Accession No

2965

Brief Description

geological map of Wells and Glastonbury, by Ordnance Survey, English, 1873

Origin

England

Maker

Baker, Benjamin [engraver] Ordnance Survey

Accession No

4423

Brief Description

Leyden jar, late 19th Century

Origin

Maker

Accession No

6079

Brief Description

Looser’s double (differential) thermoscope, partly by Mertig-Meiser, Rob. Muller, Max Kohl, German, first half 20th Century

Origin

Germany; Dresden

Maker

Mertig-Meiser Rob. Muller Max Kohl [attributed]

Accession No

0484

Brief Description

diffraction grating, reflecting, Rowland-type, by John A. Brashear, U.S.A., 1891

Origin

U.S.A.; Massachussetts; Baltimore; and U.S.A.; Pennsylvania; Allegheny

Maker

Brashear, John A. [polished and figured] Theodore C. Schneider [ruled using Rowland's engine]

Accession No

0106

Brief Description

simple microscope, circa 1825

Origin

Maker

Accession No

3819

Brief Description

engraving, portrait of William Wollaston, by J Thomson after J. Jackson, English, 1847

Origin

England; London

Maker

Thomson, J. [engraver] Jackson, J. [original artist] Fisher, Son and Company [publisher]