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Solar Microscope and Accessories in Mahogany Case

Inventory Number: 46438
Object Type:
Accession Number: 1961-138/5
Brief Description: Unsigned copper alloy solar microscope consisting of a square plate with circular front panel and two large screws; one for adjusting the angle of the rectangular mirror and the other for rotating the square plate. The truncated cone shaped body tube contains two magnifying lenses and has a cylindrical tube which can be unscrewed. A cylindrical stage connects onto the end of the body tube; the stage holds specimen slides and has a magnifying lens at the end, a large spring inside and a rack and pinion focus adjustment at the side. Additionally there is a projection box for opaque specimens which can be used instead of the stage. Inside the box is an adjustable mirror and a lens in cylindrical collar, and on the outside is a spring loaded pin for holding specimen slides in place. The accessories in the case include a rectangular slide holder with curved metal bar for securing slides, a cylindrical specimen holder which is spring loaded with three pins, a small field type microscope body tube, a cylindrical cap with five circular holes, two screws and two plates for attaching the solar microscope to a window shutter, stage forceps, an ivory talc box containing split rings and mica discs, tweezer style forceps, large copper alloy slider with six numbered objectives, three copper alloy sliders with magnifying lenses numbered ‘1&2’, ‘3&4’ and ‘5&6’, a glass phial, three large wooden sliders containing specimens of wings and a black leather case containing a copper alloy wet cell and six ivory sliders which contain inspect and plant samples. The rectangular mahogany fitted case has metal fittings and a hinged lid with a pasted trade label for Dring & Fage.
Primary Inscriptions: On pasted trade label inside case: ‘Dring & Fage / HYDORMETER MAKERS, / to His MAJESTY’S Hon:ble Board of EXCISE, / No 6, Tooley Street, six doors from / LONDON BRIDGE / Make & Sell Mathematic, Optical & Philosophical Instruments. / Rules, Charts and Navigation Books.’
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