Accession No

3420

Brief Description

refractometer, possibly Abbe type, by Carl Zeiss, German, 1895 (c)

Origin

Germany; Jena

Maker

Carl Zeiss

Accession No

4019

Brief Description

thermal, pointer ammeter, Duddell-type, by Cambridge Scientific Instrument Company Ltd., English, c. 1906

Origin

Cambridge; England

Maker

Cambridge Scientific Instrument Company Ltd.

Accession No

3275

Brief Description

mercury-in-glass thermometer, by Matthew Berge, English, early 19th century

Origin

England; London

Maker

Berge, Matthew

Accession No

1115

Brief Description

spectacles for stereoscopic pictures, by Forestier, Swiss

Origin

Switzerland; Geneva

Maker

Forestier

Accession No

1531

Brief Description

achromatic compound microscope, possibly petrological, by J. Swift and Son, English, 1920 (c)

Origin

England; London

Maker

J. Swift and Son

Accession No

6219

Brief Description

pamphlet of the William J. Hammer collection of incandescent electric light bulbs, by Franklin Institute, U.S.A., 1906

Origin

U.S.A.; Pennsylvania; Philadelphia

Maker

Franklin Institute [publisher]

Accession No

6220

Brief Description

microscope slide, microphotograph of two views of the planet Mars, attributed to Edmund Wheeler, sold by W. Watson and Sons, English, 1876 (c)

Origin

England; London; 313 High Holborn [W. Watson and Sons]

Maker

Wheeler, Edmund [attributed] W. Watson and Sons [seller]

Accession No

4372

Brief Description

circular chart recorder or disk recorder, recording pyrometer, by Foster Instrument Company, English, 1920-1930 (c)

Origin

England; Hertfordshire; Letchworth

Maker

Foster Instrument Company

Accession No

4005

Brief Description

inductor, by Cambridge Instrument Company Ltd., English, 1958

Origin

England; London

Maker

Cambridge Instrument Company Ltd.

Accession No

4238

Brief Description

inductor, by Cambridge Instrument Company Ltd., English, 1958

Origin

England; London

Maker

Cambridge Instrument Company Ltd.