Unspecified / 1907
Micrometer microscopes
Micrometer microscopes
The Smithsonian catalogs Micrometer microscopes as books in its Microscopy records.
WHY IT’S INTERESTING
Trade literature.
A CLOSER LOOK
The Smithsonian lists the object under Microscopy and dates it 1907.
Trade literature.
FOLLOW THE EVIDENCE
Smithsonian InstitutionMicrometer microscopesOriginal explanation based on the sources above. Images carry their own reuse terms.