[Trade catalogs on microscopes, microscopic apparatus, optical instruments ... ]

The Smithsonian catalogs [Trade catalogs on microscopes, microscopic apparatus, optical instruments ... ] as catalogs in its Microscopes records.

WHY IT’S INTERESTING

Trade literature.

SERENDIPITYA little unexpected

FamiliarWeird

A CLOSER LOOK

The Smithsonian lists the object under Microscopes and dates it 189u.

Trade literature.

FOLLOW THE EVIDENCE

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