R. & J. Beck apertometer, 1860-1880
- maker:
- R and J Beck
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Science Museum Group
© The Board of Trustees of the Science Museum
R. & J. Beck apertometer, 1860-1880
Details
- Category:
- Microscopy (Wellcome)
- Object Number:
- 1980-1452
- Materials:
- glass
- type:
- apertometer
- credit:
- Cowen, B.C.
