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Charles Vernon Boys' Original Gravitational Apparatus, 1889

Charles Vernon Boys' Original Gravitational Apparatus, 1889

1889
'Rainbow Cup' scientific toy

'Rainbow Cup' scientific toy

1911-1930
'Rainbow Cup' scientific toy

'Rainbow Cup' scientific toy

1911-1930
Quartz Fibres by Sir Charles Vernon Boys, 1887-1892

Quartz Fibres by Sir Charles Vernon Boys, 1887-1892

1887-1892
Arrow used with Original Boys' bow for Shooting Quartz Fibres, 1887

Arrow used with Original Boys' bow for Shooting Quartz Fibres, 1887

1887
Ellipsograph by Sir Charles Vernon Boys, c 1880-1920.

Ellipsograph by Sir Charles Vernon Boys, c 1880-1920.

1880-1920
Instructions for "The Rainbow Cup" educational toy

Instructions for "The Rainbow Cup" educational toy

1911-1930
Boys' Radiomicrometer, 1887-1900

Boys' Radiomicrometer, 1887-1900

1887-1900
Model of a polar planimeter

Model of a polar planimeter

1880-1882
Ten Photographs in one Frame Illustrating Flying Shot & Bullets

Ten Photographs in one Frame Illustrating Flying Shot & Bullets

1892
Boys' original 'Rainbow Cup'

Boys' original 'Rainbow Cup'

1911
Length of Boys' Quartz Fibre in Display Case, 1887-1892

Length of Boys' Quartz Fibre in Display Case, 1887-1892

1887-1892
Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

1880-1885
Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

1880-1885
Arrow used with the Original Boys' Bow for Shooting Quartz Fibres, 1887

Arrow used with the Original Boys' Bow for Shooting Quartz Fibres, 1887

1887
Model of a machine for solving equations

Model of a machine for solving equations

1875-1885
Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

1880-1885
Six small pieces of quartz rod

Six small pieces of quartz rod

1887-1892
Boys fluorescent alcohol thermometer

Boys fluorescent alcohol thermometer

1878
2 Boys straight single-spiral fluoroscent alcohol thermometers

2 Boys straight single-spiral fluoroscent alcohol thermometers

1878
Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

Fluorescent Alcohol Thermometer by C. V. Boys, 1880-1885

1880-1885
Thermometer for Charles Vernon Boys' Gravitational Apparatus

Thermometer for Charles Vernon Boys' Gravitational Apparatus

1889
Adjustment dial for Boy's Radio-Micrometer

Adjustment dial for Boy's Radio-Micrometer

1893
Cover for Boy's Radio-Micrometer

Cover for Boy's Radio-Micrometer

1893
Boys circular spiral fluorescent alcohol thermometer

Boys circular spiral fluorescent alcohol thermometer

Storage Frame for Boys' Original Quartz Fibre Bow, 1887-1892

Storage Frame for Boys' Original Quartz Fibre Bow, 1887-1892

1887-1892
Spheres from torsion balance

Spheres from torsion balance

1889
Case for C.V. Boys' curve drawing integrator

Case for C.V. Boys' curve drawing integrator

1880-1885
Wooden component for Charles Vernon Boys' Gravitational Apparatus

Wooden component for Charles Vernon Boys' Gravitational Apparatus

1889
Box for torsion balance components

Box for torsion balance components

1889
Boy's Radio-Micrometer

Boy's Radio-Micrometer

1893
Charts from Boys' Torsion Balance

Charts from Boys' Torsion Balance

1889
C V Boys' radio-micrometer, with outer casing removed, 1907.

C V Boys' radio-micrometer, with outer casing removed, 1907.

1907
Model showing the principle of the disc cylinder integrator

Model showing the principle of the disc cylinder integrator

1880-1882
Model showing the principle of the disc cylinder integrator

Model showing the principle of the disc cylinder integrator

1880-1882
Bow used for Manufacture of Fine Quartz Fibres, 1887-1892

Bow used for Manufacture of Fine Quartz Fibres, 1887-1892

1887-1892
C.V. Boys' integraph with case

C.V. Boys' integraph with case

1880-1885
Boys' original lightning camera, made by Boys in 1900

Boys' original lightning camera

1900
Boys' original bow with arrow for shooting quartz fibres (in wooden frame)

Boys' original bow with arrow

1887-1892
Boys' gas calorimeter, by A. Gallenkamp & Co. Ltd., London, England, 1905-1923. Complete with governor but without meter. 2 reading lenses and small measuring cylinder missing. (see part records)

Boys' gas calorimeter

1905-1923
Boys' torsion balance by Cambridge Scientific Instrument Co., 1889.

Boys' torsion balance and components

1889
[Miscellaneous technical drawings (3) relating to C.V. Boys' recreation of the Cavendish experiment / C.V. Boys. ca.1888. 3 sheets : line drawings, pencil drawing. One bears ms. annotations, one shows plan and side view of dummies and note 'Dummies not used', one shows plan and side elevation of room]

[Miscellaneous technical drawings (3)]

circa 1888
Boys radio-micrometer made in 1907 by, The Cambridge Scientific Instrument Co. Ltd., Cambridge, England, no.5426 with wooden box (sighting tube and several nuts missing)

C V Boys' radio-micrometer, with outer casing removed, 1907.

1907
Boy's apparatus for determining the mechanical equivalent of heat by The Cambridge Scientific Instrument Company, Cambridge, England, 1884. From The Physical Laboratory of the Science and Arts Department, South Kensington.

Boy's Mechanical Equivalent of Heat Apparatus, 1884

1884
[Technical drawings (3) of 'optical compass' used by C.V. Boys in his recreation of the Cavendish experiment / C.V. Boys. ca.1888. 3 sheets, line drawings with wash; 2 bear ms. annotations; all 3 bear, in pencil, 'Opt. Compass'. No scale]

[Technical drawings (3) of 'optical compass']

circa 1888
Photograph of Boys' original moving-lens camera, 1900, for photographing lightning flashes

Photograph of Boys' original moving-lens camera

1900
[Ms. observations (24p.) taken by C.V. Boys during his repetition of the 'Cavendish experiment'. 1890s]

[Observations taken during Boys' repetition of the 'Cavendish experiment']

1890-1899
Two models showing the principle of the disc cylinder integrator, designed by C.V. Boys c. 1881

Two models showing the principle of the disc cylinder integrator

1880-1882
Four silver cylinders from Boys' torsion balance, 1899.

Four silver cylinders from Boys' torsion balance

1889
[B & w photos (18) of C.V. Boys's apparatus used in repeating the 'Cavendish experiment' at the Clarendon Laboratory, Oxford. 12 photos are mounted on board, one on card. All but one show the apparatus as set up in the basement of the Clarendon Laboratory]

Black and white photos of Boys's apparatus used in repeating the 'Cavendish experiment' at the Clarendon Laboratory

circa 1890