Precision Watches

Bonniksen. Timing Lecture. A compilation of articles/material relating to the watchmaker Bahne Bonniksen

Catalogue no: 1491
Dewey No: Subject(s): Courtenay Ilbert Archive
Author(s): Bonniksen and others
Total pages: 22 Illustrations: 6 Language(s): English Publication date: 1895-1906
Editor: Publisher: Details in Notes below
Dimensions: 280mm x 220mm Condition: Reasonable, a little dog-eared and dirty
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Notes:

Various articles and leaflets mostly concerning the watchmaker Bahne Bonneksen, stapled between paper covers.  Written in ink on front cover, "Bonniksen. Timing Lecture.

Contents include the following:

1. Patent No. 16, 623, A.D. 1895. Improvements in Tourbillon Watches.

Patent specification and illustration of Andrew Taylor's annular tourbillon.

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Horological Biography, Horological Patents, Precision Watches
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Rates of Chronometers, Pocket Chronometers and Deck Watches on Trial For Purchase by the Board of Admiralty at the Royal Bservatory, Greenwich

Catalogue no: 1486
Dewey No: Subject(s): Courtenay Ilbert Archive
Author(s): Unknown
Total pages: Illustrations: 0 Language(s): English Publication date: 1848-1912
Editor: Publisher: Board of Admiralty
Dimensions: 310mm x 250mm Condition: Fragile
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Notes:

Official publication of the trial results at Greenwich.  Details of each publication as follows:

Rates of Chronometers, 1848

Rates of Chronometers, 1849

Rates of Chronometers, 1850

Rates of Chronometers, 1851

Rates of Chronometers, 1876

Rates of Chronometers, 1878

Rates of Chronometers, 1881.  Very fragile with corrections and notes in ink.

Rates of Chronometers, 1882

Rates of Chronometers, 1883

Rates of Chronometers, 1885

Rates of Chronometers, 1886

Rates of Chronometers, 1887 March 5 to 1887 June 18

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Chronometers, Precision Watches
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Circular of the Bureau of Standards. No. 51. Measurement of Time and Tests of Timepieces

Catalogue no: 1485
Dewey No: Subject(s): Courtenay Ilbert Archive
Author(s): S.W.Stratton
Total pages: 39 Illustrations: 1 Language(s): English Publication date: December 1st, 1914
Editor: Publisher: Dept. of Commerce, U.S.A.
Dimensions: 255mm x 180mm Condition: Good
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Notes:

Pamphlet giving details of the tests for precision watches in the U.S.A.  Contents as follows;

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Chronometers, Precision Watches
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