Vernier External Callipers, 1800-1825
- maker:
- Holtzapffel and Company
This image is released under a CC BY-NC-SA 4.0
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LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseVernier external callipers, by Holtzapffel and Co., London
Science Museum Group
© The Board of Trustees of the Science Museum
Vernier external callipers, by Holtzapffel and Co., London
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Vernier external callipers, by Holtzapffel and Co., London
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Vernier external callipers, by Holtzapffel and Co., London. (Indirect reading) triangular pattern, with sliding vernier scale, giving magnification of 3.8 to 1 reading up to 0.7 inch and to 0.001 inch adjustment, 1800-1825
Details
- Category:
- Industrial Metrology
- Object Number:
- 1930-172
- Materials:
- brass (copper, zinc alloy) and steel (metal)
- Measurements:
-
overall: 5.1181 x 3.937 x .5512 in.; 13 x 10 x 1.4 cm
- type:
- callipers
- credit:
- Lt. James F. Godwin
