Instructions for erecting Riefler's astronomical clocks in air-tight glass cases / Clemens Riefler

The Smithsonian catalogs Instructions for erecting Riefler's astronomical clocks in air-tight glass cases / Clemens Riefler as books in its Astronomical clocks records.

WHY IT’S INTERESTING

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SERENDIPITYA little unexpected

FamiliarWeird

A CLOSER LOOK

The Smithsonian lists the object under Astronomical clocks and dates it 1890.

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FOLLOW THE EVIDENCE

Smithsonian InstitutionInstructions for erecting Riefler's astronomical clocks in air-tight glass cases / Clemens Riefler

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