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Compound microscope

Compound microscope

1701-1723
Demainbray's polemoscope

Demainbray's polemoscope

1701-1752
Early Culpeper microscope

Early Culpeper microscope

1720-1730
Terrestrial telescope, 1670-1700.

Terrestrial telescope, 1670-1700.

1670-1700
Early Culpeper microscope

Early Culpeper microscope

1720-1730
Time globe

Time globe

1880
Bilham humidity slide rule for tropics, in case

Bilham humidity slide rule for tropics, in case

1940-1945
Visibility meter

Visibility meter

circa 1941
Black carrying case for pair of Zoom 7x to 14x35 binoculars

Black carrying case for pair of Zoom 7x to 14x35 binoculars

1970-1979
Wollaston's polariscope No. 948

Wollaston's polariscope No. 948

1850-1899 (estimated)
Telescope in Scioptic ball

Telescope in Scioptic ball

Taper gauge with case

Taper gauge with case

1770
Terrestrial Telescope

Terrestrial Telescope

1670-1700
Astronomical telescope

Astronomical telescope

1675-1700
Telescope in scioptic ball

Telescope in scioptic ball

Telescope in scioptic ball

Telescope in scioptic ball

Balloon release mechanism - roller on handle

Balloon release mechanism - roller on handle

Terrestrial refracting telescope

Terrestrial refracting telescope

1700-1750
Case for folding hand microscope

Case for folding hand microscope

1831-1850
Balloon release mechanism - roller on handle with twine attached

Balloon release mechanism - roller on handle with twine attached

Compound microscope, covered around the body with green and gold decorated parchment, fixed to brass swivel stand, which is attached to oak base, by John Marshall, London, England, 1715

Marshall's 1715 compound microscope

1715
Astronomical telescope, 1675-1700. This is one of the earliest items in the King George III collection of scientific instruments, and was probably made by Christopher Cock of London. It has two lenses which give an inverted image and provides a magnification of about 30.

Astronomical telescope

1675-1700
Assmann thermometer, mercury in glass, solid stem, flat enamel back, absolute scale. By Negretti & Zambra, London. Marked MO 19138, KO 19. Scale 245 to 315, in pasteboard tube

Assmann thermometer

Time globe, by Juvet & Co, Canajoharie, United States of America, 1880. USA patents: 1867, 1877, 1879; French patents: 1877, English patents: 1877, 1879.

Time globe

1880
Catoptric cylinder with sheath and cap and fourteen coloured pictures, unknown maker, before 1753. Once belonged to Stephen Demainbray.

One of fourteen coloured anamorphic pictures with cylindrical speculum catoptric mirror on stand

1745-1752
Green tooled leather body tube and lenses for compound monocular microscope, German or Italian, C.1700.

Body Tube for Compound monocular microscope, Europe, 1681-1720

1681-1720
Playing cards, London & North Eastern Railway, incomplete, with view of the Trossachs on back of each card, pasteboard, English, 1927-1940.

London & North Eastern Railway playing cards - Trossachs

1927-1940