Gallery›Wellcome Collection›Optics: a micrometer, for range-finding [?], with diagrams of its operation. Engraving by Barlow.
Optics: a micrometer, for range-finding [?], with diagrams of its operation. Engraving by Barlow.
Wellcome Collection

Optics: a micrometer, for range-finding [?], with diagrams of its operation. Engraving by Barlow.

Unknown artist

CC0 — Public Domain
Wellcome Collection

Lettering: Micrometer. ; Barlow sculp.

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