Optics: a micrometer, for range-finding [?], with diagrams of its operation. Engraving by Barlow.
- Reference:
- 47508i
Licence: Public Domain Mark
Credit: Optics: a micrometer, for range-finding [?], with diagrams of its operation. Engraving by Barlow. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0025382/full/800%2C/0/default.jpg)