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A large collection of stereoscope slides, 19th and 20th century, by various makers and publishers...
A large collection of stereoscope slides, 19th and 20th century, by various makers and publishers such as American Stereoscopic Co., Underwood & U...
A Victorian ebony and gilt-brass vernier octant, by John Crichton, London, second half 19th centu...
A Victorian ebony and gilt-brass vernier octant, by John Crichton, London, second half 19th century, the ivory inlaid scale graduated to 105°, wit...
A brass radius sextant, by Elliott, London, late 19th century, with index mirrors, filters, horiz...
A brass radius sextant, by Elliott, London, late 19th century, with index mirrors, filters, horizon mirror eyepieces, telescope and oxidised brass...
A Victorian walnut cased weather station, by J. J. Hicks, London, last quarter 19th century, comp...
A Victorian walnut cased weather station, by J. J. Hicks, London, last quarter 19th century, comprising a central barograph over a thermometer, fl...
A group of maritime and scientific instruments, to include a lighthouse lightbulb, 20th century, ...
A group of maritime and scientific instruments, to include a lighthouse lightbulb, 20th century, the brass mount marked 3004 / THORN / MADE IN ENG...
A French brass Camera Lucida, by C. Dupressoir, third quarter 19th century, inscribed C. Dupresso...
A French brass Camera Lucida, by C. Dupressoir, third quarter 19th century, inscribed C. Dupressoir Const. Rue St Honore 175 Paris, in fitted case...
A Wimshurst electrostatic machine, second half 20th century, on a mahogany base bearing plaque in...
A Wimshurst electrostatic machine, second half 20th century, on a mahogany base bearing plaque inscribed Scientific Developments WHITBY 002, on fo...
A George III mahogany apothecary chest, c.1800, with brass carrying handle, the double doors open...
A George III mahogany apothecary chest, c.1800, with brass carrying handle, the double doors opening to a fitted interior with glass medicine bott...
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