Accession No

6007

Brief Description

wooden prototype for mathematical triangle; English; 19th century

Origin

Maker

Accession No

5032

Brief Description

botanical wallchart, depicting flowers in members of the Salicaceæ, by A. Peter and Theodor Fischer, German, c. 1850-1928

Origin

Germany; Cassel [now Kassel] and Berlin

Maker

Peter, A [attributed artist] Fischer, Theodor [publisher and printer] O. Newmann and Company [attributed agent]

Accession No

6010

Brief Description

stereographic net on card, mid-20th Century

Origin

Maker

Accession No

0998

Brief Description

draughtsman’s curves with protractor, 18th Century

Origin

Maker

Accession No

2110

Brief Description

diffraction grating, reflecting, Rowland-type, by John A. Brashear, U.S.A., 1889

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

5698

Brief Description

botanical wall chart depicting Fagopryrum, German

Origin

Germany; Stuttgart; Esslingen

Maker

Schreiber, J. F. [lithographer]

Accession No

3983

Brief Description

sextant, by Thomas Jones, English, early 19th century

Origin

England; London; Charing Cross; 62

Maker

Jones, Thomas

Accession No

3663

Brief Description

slide rule, by Keuffel and Esser Company, U.S.A., 1925-1950

Origin

U.S.A.; New York

Maker

Keuffel and Esser Company

Accession No

2846

Brief Description

artillery director, intended for use in Brian Harland's 1949 Spitsbergen Expedition but not used, by Voigtlander, 1940 (c)

Origin

Germany; Braunschweig [attributed]

Maker

Voigtländer

Accession No

1257

Brief Description

pestle and mortar; 18th or 19th century

Origin

Maker