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A Rayner Dialdex refractometer in a fitted case with a polarising filter and bottle of 1.79 refractive index liquid. Refractometer is untested. Pl...
Lot 295
Koristka Milano, a boxed Koristka Milano microscope, maked to front F. Koristka Milano N.16517, in
Koristka Milano, a boxed Koristka Milano microscope, maked to front F. Koristka Milano N.16517, in specialist box with key, alongside two boxed of...
F.E. BECKER & CO. Scientific beam balance with boxed weight in glazed display case.
Lot 299
19th / 20th Century Flea Glass / Botanical pocket microscope, brass with turned handle, joints are
19th / 20th Century Flea Glass / Botanical pocket microscope, brass with turned handle, joints are firm. (Without subject pin). Length 7cm.
A single draw Day or Night brass telescope by Jones of London. Approx 86cm when extended.
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