Made by Charles Vernon Boys | Science Museum Group Collection

[Portfolio of result traces, summaries of results, notes etc. re repetition by Boys of the 'Cavendish experiment' / C.V. Boys. 1891-1894. Comprise leaves of trace results numbered 1-5 (Sept-Oct 1892) and 10-24 (Aug 1893-Jan 1894), plus 7 other, unnumbered leaves dated 1891-2. With 10 separately clipped together sets of ms. notes, one of which includes letters from A.G. Greenhill (2) and J.H. Poynting (1), all of May 1894, and is prefaced by a 1-page 'History' of the experiment, a chronology chiefly (but briefly) covering 15 Sept 1892 to 13 Jan 1894. Several of the sets of notes make reference to specific numbered experiments as they appear on certain book pages, probably those of his three notebooks, inv. no. 2000-1186 (MS 443)]

Portfolio of result traces and notes etc. re repetition by Boys of the 'Cavendish experiment'

1891-1894

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Charles Vernon Boys' Original Gravitational Apparatus, 1889

'Rainbow Cup' scientific toy

Quartz Fibres by Sir Charles Vernon Boys, 1887-1892

'Rainbow Cup' scientific toy

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

Instructions for "The Rainbow Cup" educational toy

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

Boys' Radiomicrometer, 1887-1900

Ten Photographs in one Frame Illustrating Flying Shot & Bullets

Model of a polar planimeter

Boys' original 'Rainbow Cup'

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

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

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

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

Model of a machine for solving equations

Boys fluorescent alcohol thermometer

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

2 Boys straight single-spiral fluoroscent alcohol thermometers

Six small pieces of quartz rod

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

Thermometer for Charles Vernon Boys' Gravitational Apparatus

Boys circular spiral fluorescent alcohol thermometer

Adjustment dial for Boy's Radio-Micrometer

Cover for Boy's Radio-Micrometer

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

Spheres from torsion balance

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

Charts from Boys' Torsion Balance

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

Wooden component for Charles Vernon Boys' Gravitational Apparatus

Box for torsion balance components

Boy's Radio-Micrometer

Model showing the principle of the disc cylinder integrator

Model showing the principle of the disc cylinder integrator

Case for C.V. Boys' curve drawing integrator

C.V. Boys' integraph with case

Boys' original lightning camera

Boys' original bow with arrow

Boys' gas calorimeter

Boys' torsion balance and components

[Miscellaneous technical drawings (3)]

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

Boy's Mechanical Equivalent of Heat Apparatus, 1884

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

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

Photograph of Boys' original moving-lens camera

Two models showing the principle of the disc cylinder integrator

Portfolio of result traces and notes etc. re repetition by Boys of the 'Cavendish experiment'

[Sketches, with notes, re 'Cavendish experiment' by C.V. Boys]