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Electric motor

1900-1910

Water resistance

1901-1930

Vibrating stool, Paris, France, 1890-1914

1890-1914

Equal-arm Roberval-type letter balance

1900-1914

Male head

200- 1

Cuff microscope with drawer in base

1720-1750

Boxfoot Culpeper microscope with black shagreen body tube support

1731-1750

Culpeper microscope of Continental construction

1751-1800

Unsigned Cuff type microscope, German, 1751-1800

1751-1800

Boxfoot Culpeper microscope by Lincoln

1815-1825

Compound monocular chest microscope with rack focusing of stage

1801-1825

Cuff microscope by J. Linnel of London

1790-1830

Cuff microscope by Cuff

1731-1770

Head of statue

1-150 CE

Parts of Cuff microscope in modern box

1743-1770

Copy of Nuremburg type microscope

1771-1830

Boxfoot Cuff microscope

1771-1800

Unsigned boxfoot Culpeper microscope

1771-1800

Guillotine, metal, on wood base, probably Italian, 18th century

Guillotine, metal, on wood base

1701-1800

Rheostat, European, 1870-1920

1870-1920

Boxfoot microscope of mixed construction, English, late 18th and early 19th century

Boxfoot microscope of mixed construction

1771-1831

Ducretet spark coil, wood and metal, with wooden retort stand by Rochfort of Paris, French, 1901-1930

Ducretet spark coil

1901-1930

Electrostatic machine, wooden base, glass tubes, metal fittings, bad condition, plate missing, European, first half of the 19th century

Electrostatic machine

1801-1850

Wheel turned dynamo, on wooden base large horseshoe magnet, double coil and commutator, probably English, 1880-1910

Wheel turned dynamo

1880-1910

Amici's original horizontal microscope, incomplete, Italian, 1830-1860, bought by Crisp from Prof. Golfarelli in 1886, who had obtained it from Amici's heirs

Amici's original horizontal microscope

Heater, cylindrical, metal on wood base, with terminals, European, second half 19th century

Heater, cylindrical

1850-1900

Glass manometer on wooden stand, European, first half of the 19th century

Glass manometer on wooden stand

1801-1850

Part of electrical panel, oak base with rheostat porcelain fuse box and two pin socket connected, also wooden plug attached to flex, French collection, French, c.1900

Part of electrical panel

1890-1910

Boxfoot Culpeper microscope in pyramidal case, signed "Adams, London", late 18th or early 19th century

Boxfoot Culpeper microscope in pyramidal case

1780-1820

Cuff microscope, unsigned but probably English, late 18th century

Cuff microscope

1771-1800

Ozonator transformer, in iron case with wooden base, by Compagnie pour la fabrication des compteurs et materiel d'usines, Paris, 1895-1920

Ozonator transformer

1895-1920

Six discharge rods, with wood bases and glass tubes, on wood tray, by Riviere of France, 1890-1910

Six discharge rods

1890-1910

Interrupter, metal, on wood base, with meter, European, first half 19th century

Interrupter, metal, on wood base

1801-1850