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A boxed Astro compass, a gas mask, a meg tester, etc.
A small brass and green marble abacus. 8.75 cm long.
A 19th century boxed set of diamond scales. 13 cm wide.
A gas mask, binoculars, two silver plated bells, etc.
A box of tape measures, instruments, etc.
Lot 751
A box of medical instruments.
A box of medical instruments.
A small telescope on stand. 25.5 cm long.
A large telescope on stand. 97 cm long.
A cased set of scientific scales. 45 cm wide.
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