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TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case; trade card
Horne & Thornthwaite
Europe: United Kingdom, England, London WC
Late 19th c.
wood; glass; paper
overall: 60 x 327 x 167 mm
Trial case. Wood, with unlined hinged lid. 2 hook clasps (missing). Compartmentalised interior rack comprising two sections, the larger with 56 slots for 28 pairs of lenses 0.25-8.00 D, the smaller with 16 slots for 8 pairs of lenses 0.25-2.00 D. Powers marked on paper labels. 34 lenses now present, not all original to the set. Good quality supplier's trade label pasted on inside of lid printed with illustrations of a telescope on a stand, stick barometer, thermometer, camera, magic lantern, spectacles, spring clip pince-nez, binocular microscope, theodolite, electrical apparatus, binoculars, sextant etc.
2008.10
Gift of Dollond & Aitchison Group, 2008