Accession No

1953

Brief Description

glass discharge tube, 1875–1925

Origin

Maker

Accession No

3450

Brief Description

electrically-maintained tuning fork, by Rudolph Koenig, late 19th Century

Origin

Maker

Koenig, Rudolph

Accession No

0938

Brief Description

[achromatic] compound microscope, horizontal; circa 1850

Origin

Maker

Accession No

5178

Brief Description

Hounsfield tensometer with wood cover, by Tensometer Ltd., English, 2/2 20th Century

Origin

England; Croydon; 81 Morland Rd

Maker

Tensometer Ltd.

Accession No

5754

Brief Description

Geissler’s tube, zig-zag and double twist, by Philip Harris Ltd., English, 20th Century

Origin

England; Birmingham

Maker

Philip Harris Ltd.

Accession No

1955

Brief Description

glass discharge tube with shell target, 1875–1925

Origin

Maker

Accession No

2989

Brief Description

calculating machine, by Brunsviga, German, 1945 (c)

Origin

Germany; Braunschweig; Kastanienalee 71

Maker

Brunsviga Maschinenwerke AG

Accession No

1387

Brief Description

Standard Kelvin-type electric current balance, Thomson composite type; White. K; White .J; c. 1900

Origin

Maker

White. J.

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

3836

Brief Description

compound microscope, possibly achromatic, by Ernst Leitz, German, 4/4 19th century

Origin

Germany; Wetzlar

Maker

Ernst Leitz R. and J. Beck Ltd. [one objective] Watson [one objective]