Patents

Specification of Peter Litherland - Escapement for Timepieces - No. 1830

Catalogue no: 1010
Dewey No: Subject(s): Patents
Author(s): Peter Litherland
Total pages: 2 Illustrations: Yes, I fold out Language(s): English Publication date: 1791
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile
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Notes:
A description of the rack lever escapement as follows; "An Entire New Escapament to be applied to Watches or Clocks, or Dials called Watches or Clocks, for the Use both of Sea and Land, which Acts upon an Entire New Principle, prodicing Greater Certainty of Time than any hitherto Invented, being more Simple and less liable to be out of Repair, and when Repaired effected with less Danger to the Mechanical Principles on which is Constructed, than former Watches &c;" Reprint of 1856
Room location: Library Cabinet: Q Shelf: 4
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Specification of Joseph Bosley - Watches. Patent No 698

Catalogue no: 1006
Dewey No: Subject(s): Patents
Author(s): Joseph Bosley
Total pages: 6 Illustrations: None Language(s): English Publication date: 1755
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile
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A reprint of original published in 1857. Price 4d. Patent relates to "New Invented Movement of Repeating Watches, and all other sorts of Watches, on a New Principle, never heretofore used, which gives a much lighter and kinder Friction all through the work, carrys a Greater Power to the balance, goes much more Regular, lasts longer without repair, and costs but a little more money than Repeating or other watches made on any priniple heretofore used; and also my New Invented Slide to Watches, which is more Intelligible and Certain, to Regulate watche by,"
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Patent No.371. Preparing Stones, Glass, and Other Materials used in manufacturing Clocks or watches

Catalogue no: 1005
Dewey No: Subject(s): Patents
Author(s): Jacob Debanfre, Nicholas Facio, Peter Debanfre
Total pages: 4 Illustrations: Language(s): English Publication date: 1704
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile
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A reprint of 1857 from original. Price 3d Patent relates to the following (original spelling); "An Art of Working Pretious or more Comon Stones (whether Naturall or Artificial), Christal, or Glass, and certain other Matters different from Metals, so that they may be employed and made vse of in Clockwork or Watchwork and many other Engins, not for Ornament only, but as an Internal and Vsefull Part of the Work or Engine itselfe, in such Manners as have not heretofore been vsed, and that the said Art will be very beneficial to the Trade of Making Watches and Clocks".
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Letters Patent and Specifications. Watches, Clocks

Catalogue no: 1004
Dewey No: R681.1109 Subject(s): Patents
Author(s): Multiple
Total pages: Illustrations: Language(s): English Publication date: 1661 - 1857
Editor: Publisher: The Great Seal Patent Office
Dimensions: 11" x 8" (290mm x 200mm) Condition: Some volumes in poor condition with damaged spines
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The first gift to the BHI library from a public body. Presented 1859 by the Patent Office. The patent details are contained within thirteen bound volumes, the first eight being designated "Old Law", the final five being "New Law". Vol 1, 1661 - 1799, Nos. 131 - 2351 Vol 2, 1801 - 1820, Nos. 2482 - 4501 Vol 3, 1821 - 1839, Nos. 4530 - 8308 Vol 4, 1840 - 1841, Nos. 8418 - 9120 Vol 5, 1842 - 1844, Nos. 9302 - 10,358 Vol 6, 1845 - 1846, Nos. 10,625 - 11443 Vol 7, 1847 Nos. 11,576 - 11,987 Vol 8, 1848 - 1852, Nos. 12,154 - 14,146 Vol 9, 1852 Nos. 40 - 1187 Vol 10, 1853 Nos.

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