A bronzed dipleidoscope, Edward John Dent, London, mid 19th Century

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Description

Edward John Dent
13cm. 5¼in. wide

the conical prism case with gilt-brass cap signed E I Dent's Patent Meridian Instrument, 82 Strand & 33 Cockspur St, London, mounted with a bubble level and trough compass on a base plate with levelling screw, contained in a fitted mahogany case