Harman's rule for measuring the occular base line
- maker:
- Theodore Hamblin Limited
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Licence
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License
Science Museum Group
© The Board of Trustees of the Science Museum
Harman's rule for measuring the occular base line, personal relic of the inventor(?) N. Bishop Harman, made by Theodore Hamblin Ltd., London, W1, England, 1890-1940, in leather case.
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A651886
- Materials:
- steel and case, leather
- Measurements:
-
length 178 mm
width 28 mm
- type:
- rules
- credit:
- Harman, N.B.
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