This is an example of Beck’s mid-range binocular National microscope with Wenham-type inter-ocular adjustment, coarse and fine focus, inclination joint, circular mechanical stage, sub-stage diaphragm, sub-stage mirror, tri-leg base, and upright wooden case. The inscription on the barrel reads “R. &. J. BECK / 31 CORNHILL / LONDON / 8015” and that around the foot reads “R. & J. BECK LONDON & PHILADELPHIA.” R. & J. Beck began in business as such at 31 Cornhill in 1865, opened a shop in Philadelphia in 1877, and became a limited partnership in 1895.
Ref: J. Edwards Smith, How to See with the Microscope (Chicago, 1880).
Currently not on view
Object Name
date made
R. & J. Beck
Physical Description
brass (overall material)
glass (overall material)
average spatial: 35 cm x 20 cm x 17.4 cm; 13 3/4 in x 7 7/8 in x 6 7/8 in
place made
United Kingdom: England, London
ID Number
accession number
catalog number
Science & Mathematics
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of The Medical and Chirurgical Faculty of the State of Maryland

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