1st Nov, 2018 12:00
Fine Photographica & Instruments of Science & Medicine
A Dipleidoscope by E J Dent
mid 19th Century, English, serial no.429, patent meridian instrument or noon sundial, in ebonised brass, with outdoor base with spring-loaded positioning double reflecting mirrors to detemine the precise time of noon, signed on cover 'E. J. Dent's Patent Meridian Instrument 82 Strand & 33 Cockspur St London'
mid 19th Century, English, serial no.429, patent meridian instrument or noon sundial, in ebonised brass, with outdoor base with spring-loaded positioning double reflecting mirrors to detemine the precise time of noon, signed on cover 'E. J. Dent's Patent Meridian Instrument 82 Strand & 33 Cockspur St London'
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Auction: Fine Photographica & Instruments of Science & Medicine, 1st Nov, 2018
