DIRECT-READING MAGNETIC COMPASSES - INSTALLATION AND MAINTENANCE 35-7

The Smithsonian catalogs DIRECT-READING MAGNETIC COMPASSES - INSTALLATION AND MAINTENANCE 35-7 as books in its Compasses (Mathematical instruments) records.

WHY IT’S INTERESTING

Trade literature.

SERENDIPITYA little unexpected

FamiliarWeird

A CLOSER LOOK

The Smithsonian lists the object under Compasses (Mathematical instruments) and dates it 1943.

Trade literature.

FOLLOW THE EVIDENCE

Smithsonian InstitutionDIRECT-READING MAGNETIC COMPASSES - INSTALLATION AND MAINTENANCE 35-7

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