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Viewer microscope, with bead lens, in square body

Viewer microscope, with bead lens, in square body

1888-185
Electrostatic machine

Electrostatic machine

1812
Sample of tobacco ingredient

Sample of tobacco ingredient

1900-1930
Professor Hamilton Smith's design of binocular body tube

Professor Hamilton Smith's design of binocular body tube

1851-1900
Electrostatic machine, wood base and frame, glass plate, metal fittings, by Thomas and Richard Willats of 98 Cheapside, London, England, 1801-1900.

Electrostatic machine

1801-1900
Radium water filter with upper resevoir jar, perforated earthenware plate, and tripod stand, English, 1901 to 1930

Radium water filter with upper reservoir jar

1901-1930
Glass plate with date fruit from Mecca, 1930-1931

Glass plate with date fruit from Mecca, 1930-1931

1930-1931
Specimen of root bark of wahoo bark, North America, 1901-1939

Specimen of root bark of wahoo bark

1901-1939
Large plate electrostatic machine, wood frame, glass plate, metal fittings, European, late 18th or early 19th century. Attached paper tag notes an association with 'Cavalo', presumably Tiberius Cavallo (1749-1809).

Large plate electrostatic machine

1790-1810
"Radium" water filter complete with perforated earthenware plate and stand, English, 1901 to 1930

"Radium" water filter complete with perforated earthenware plate and stand

1901-1930
Electrostatic machine, wood base and frame, glass plate, metal fittings, by M. Pillischer, 88 New Bond Street, London, England, 1801-1900.

Electrostatic machine

1801-1900
Electrostatic machine, wooden frame, glass plate, metal fittings, by Cary of London, first half of the 19th century

Electrostatic machine

1801-1850
Electrostatic machine, wood base and frame, glass plate, metal fittings, European, 19th century

Electrostatic machine

1801-1900
Electrostatic machine, wooden base and frame, glass plate, metal fittings, European, 19th century

Electrostatic machine

1801-1900
X-ray apparatus, 3 photographic plates only, glass in wood frame, probably French, first half 19th century

X-ray apparatus

1801-1850
"Radium" water filter base jar with perforated earthenware plate and stand, 1901-1930, English

"Radium" water filter base jar with perforated earthenware plate and stand

1901-1930
Electrostatic machine, wood frame, glass plate, metal fittings, European, first half 19th century

Electrostatic machine

1801-1850
Piece of stem, red oak, mounted on display plate, Nigeria, 1901-1937

Piece of stem

1901-1937