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chrome, with patina to all surfaces, instructions still present at bottom,
c.1918, stamped 'DENNISON BIRMINGHAM VI 83183 1918' to outer case, and '181353' to the inside of case,
A Morse Code Transmitter,
marked 'MADE IN ENGLAND REG. DESIGN'. untested,
condition F-G, missing telescope,
in original box, untested,
c. 1860-1870, ropework knurling to brass, original lacquer, in velvet-lined red Morroco case
Surveying Instruments,
a polar planimeter by G Coraldi, Zurich, a brass surveyor's square, a French brass square & level, a steel protractor (4) ...[more]
A Collector's Lot,
an early 20th century steel box with combination lock, folding Kodak camera, eight-day clock, half-plate nglass negatives of industrial machinery,...
English and French, 19th and 20th centuries, items include brass protractors, French brass folding level & square, parallel rule, proportional div...
an unusual device device to assist aural recognition of morse code, mahogany case containing sounder, with exposed contacts that cards are run acr...
A Regency Pocket Thermometer,
by William Gilbert & Sons, c.1810, ivory thermometer in lined ivory case with gold fittings, blank gold cartouche, signed to back of thermometer p...
A Victorian Stick Barometer,
c.1865, by R Bailey of Birmingham, in oak with hemispherical cistern cover, boxwood cistern with adjustment screw, ivory register plate marked 'Ba...
A large Arc Lamp,
c.1900, a large complex lamp with multiple adjustments, 45cm overall, with a boxed set of pearwood railway curves of the same period (2)
A Large Gold Leaf Electroscope
early to mid 20th century, by Philip Harris & Co Ltd, mahogany base, 28cm high ...[more]
A Campbell Standard Galvanometer
early 20th century, by The Cambridge instrument Company, resistance 13.64 Ohms, in mhogany and lacquered brass, with twin spirit levels and adjust...
A Claude Glass,
c.1800, in black Morocco case textured in imitation of sharkskin with brass fittings, the slightly convex black glass mirror 10cm x 7cm, case over...
including a 5 draw marked 'Busch 44x', a single draw marked '^ 49 I 1873, Day or Night Pancratic, J. H. Dallmeyer London', another two draw marked...
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