Chronometers

Letter to Robert Gardner from **** concerning chronometer balance springs

Catalogue no: 1108
Dewey No: Subject(s): Chronometers
Author(s): I. Crewe ? (signature difficult to decipher)
Total pages: 2 Illustrations: 0 Language(s): English Publication date: c.1920
Editor: Publisher:
Dimensions: 225mm x 180mm Condition: Good
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Notes:
The letter written in ink is dated Feb. 6th with a later pencilled addition "circa 1920". The correspondent writes from 100 Aldersgate Street, E.C. The content of the letter is a commentary on an article in the Horological Journal by James U. Poole which itself discusses the merits or otherwise of the "ordinary cylindrical spring" for pocket chronometers as opposed to Walsh's duo-in-uno spring.
Room location: Library Extension Cabinet: B Shelf: 4
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Letter from John Hartnup of the Liverpool Observatory

Catalogue no: 1109
Dewey No: Subject(s): Chronometers
Author(s): John Hartnup
Total pages: 3 Illustrations: 0 Language(s): English Publication date: July 22nd, 1873
Editor: Publisher:
Dimensions: 205mm x 130mm Condition: Poor, with tears and staining
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Notes:
The letter, written from the Observatory, Bidston, Birkenhead, is a reply to an unknown correspondent and involves the change of rate in chronometers for every degree of farenheit. Although the main body of the letter is written in ink, there are extensive additions and comments in pencil possibly written by Hartnup or by another hand.
Room location: Library Extension Cabinet: B Shelf: 4
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Copy of a letter written by Mr. W. Forster to the Rev. Walter Mallock on the subject of the first timekeeper of Thomas Mudge

Catalogue no: 1107
Dewey No: Subject(s): Chronometers
Author(s): W. Forster
Total pages: 2 Illustrations: 0 Language(s): English Publication date: July 17th, 1843
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Dimensions: 255mm x 205mm Condition: Good
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Notes:
There are two copies of this letter, a handwritten one in pencil, headed Corn U Copea, and a typewritten copy of c. 1950. In the letter, Mr Forster of 4, Lower James Street, Golden Square, describes his own purchase of the Mudge Chronometer and its subsequent sale to the Duke of Sussex. Forster purchased it again at the sale of the Duke's effects at Christies and, at the time of the letter, the chronometer was still at Christies and Forster was offering it to the Rev. Walter Mallock for 21 guineas
Room location: Library Extension Cabinet: B Shelf: 4
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The Rating of Chronometers

Catalogue no: 1084
Dewey No: Subject(s): Chronometers
Author(s): Charles Stuart Murray
Total pages: 11 Illustrations: 0 Language(s): English Publication date: 1880
Editor: Publisher: British Almanac and Companion
Dimensions: 180mm x 110mm Condition: Good but rusty staples
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Notes:
Pages 105 to 116 removed from The British Almanac & Companion of 1880 and stapled together between paper covers. The final paragraph is an appeal to readers of the Almanac to support the British Horological Institute in its education work as "It is, unfortunately, in debt".
Room location: Library Extension Cabinet: B Shelf: 4
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