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A cased pair of Negretti & Zambra opera glasses, late 19th/early 20th century, 10cm wide, a cased '
A cased pair of Negretti & Zambra opera glasses, late 19th/early 20th century, 10cm wide, a cased 'emulsion speed' light meter, 6cm diameter, a bo...
A 19th century glass sand timer, of typical form, with cork stopper, 12cm high, a second smaller
A 19th century glass sand timer, of typical form, with cork stopper, 12cm high, a second smaller example within a rod and treen frame, 8cm high, a...
A simple pocket microscope, by Banks of London, early 19th century, signed and inscribed to the
A simple pocket microscope, by Banks of London, early 19th century, signed and inscribed to the upright 'Banks Invt. 441 Strand, London', the thre...
A set of brass postal scales, early 20th century, upon a mahogany plinth base with seven graduated
A set of brass postal scales, early 20th century, upon a mahogany plinth base with seven graduated weights, a late 19th century boxed novelty pape...
A Banks type lacquered brass simple type pocket microscope, early 19th century, to a fitted mahogany
A Banks type lacquered brass simple type pocket microscope, early 19th century, to a fitted mahogany case, 12cm long (incomplete), a 19th century ...
A mahogany cased students monocular microscope, early 20th century, case 20cm long, with original
A mahogany cased students monocular microscope, early 20th century, case 20cm long, with original instructions, along with a brass and leather thr...
A W & S Jones, Holborn, London, botanical microscope, late 18th/early 19th century, the oval ebony
A W & S Jones, Holborn, London, botanical microscope, late 18th/early 19th century, the oval ebony plinth base inscribed with the makers name, wit...
A brass and mahogany day or night telescope, 19th century, the sliding four drawer telescope with
A brass and mahogany day or night telescope, 19th century, the sliding four drawer telescope with engraved 'day or night' near eyepiece, 28cm long...