The Great Seal Patent Office

Specification of Samuel Carpenter - Escapements for Watches &c - No. 1086

Catalogue no: 1058
Dewey No: Subject(s): Patents
Author(s): Samuel Carpenter
Total pages: 5 Illustrations: 1 fold out Language(s): English Publication date: 1858
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover frayed and fragile
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Notes:
Relates to; "Improvements in Escapements for Watches and other Timekeepers". The patent describes two innovations as follows; 1. The construction of an escape wheel with two rows of vertical teeth 2. Pallets in combination with escape wheel and detent spring
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Specification of August Guye - Escapement for Chronometers and Watches - No. 2003

Catalogue no: 1059
Dewey No: Subject(s): Patents
Author(s): August Guye
Total pages: 8 Illustrations: 1 fold out Language(s): English Publication date: 1858
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile
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Notes:
Relates to; "Improvements in the Escapement of Chronometers and Watches". The patent describes improvements to the lever and detent escapements "whereby a more steady and uniform action is ensured, and the watch or chronometer is prevented from being stopped, or its movements affected by any sudden shock or other disturbance". Printed 1859
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Specification of Alexander Bain - Musical Instruments - No. 11,886

Catalogue no: 1049
Dewey No: Subject(s): Patents
Author(s): Alexander Bain
Total pages: 5 Illustrations: 2 fold out Language(s): English Publication date: 1847
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover missing
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Relates to; "Improvements in Musical Instruments and in the Means of Playing Musical Instruments". The patent describes two innovations; 1. The arrangement of wind musical instruments in such manner as to act with a perforated paper or surface 2. The application of electric apparatus to musical instruments
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Specification of William Thomas Henley and David George Foster - Telegraphs and Time-Keepers - No. 12,236

Catalogue no: 1050
Dewey No: Subject(s): Patents
Author(s): David George Foster, William Thomas Henley
Total pages: 8 Illustrations: 3 fold out Language(s): English Publication date: 1848
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover separated and torn in half, very frayed and fragile
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Notes:
Relates to; "Certain Improvements in Telegraphic Communication and in Apparatus connected therewith Parts of which Improvements may be also applied to the moving of other Machines and Machinery". The patent describes eight innovations. Although most have some application to electrical horology, only two are specifically directed to it;
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Specification of Charles McDowall - Timekeepers - N0. 13,587

Catalogue no: 1051
Dewey No: Subject(s): Patents
Author(s): Charles McDowall
Total pages: 4 Illustrations: 1 fold out Language(s): English Publication date: 1851
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile and torn
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Notes:
Relates to; "Certain Improvements in the Construction of Timekeepers". The patent describes a new form of "dead" escapement for pendulum clocks which "will impart an impulse to the pendulum or balance while in the middle of its vibration chiefly by a direct instead of oblique action". Reprint of 1857 Malcolm Gardner, Horological Bookseller sticker on cover and first page
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Specification of Edward Thomas Loseby - Timekeepers - No. 1011

Catalogue no: 1052
Dewey No: Subject(s): Patents
Author(s): Edward Thomas Loseby
Total pages: 10 Illustrations: 1 fold out Language(s): English Publication date: 1852
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Generally good, blue paper cover slightly frayed, small tear in fold out page
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Notes:
Relates to; "Improvements in the Construction of Timekeepers and in Cases to be applied thereto". The patent describes five innovations as follows; 1. Mercurial tubes fitted to a compensation balance to counteract middle temperature error. 2. Similar mercury compensation to a pendulum to counteract the variations in the rate of the pendulum due to the increase and diminution in the arc of vibration. 3. The construction of mercurial pendulums described
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Specification of Alexander bain - Electric Time-pieces and Telegraphs - No. 9745

Catalogue no: 1048
Dewey No: Subject(s): Patents
Author(s): Alexander Bain
Total pages: 15 Illustrations: 7 fold out Language(s): English Publication date: 1843
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover missing, some drawings with slight tears
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Notes:
Relates to; "Certain Improvements inProducing and Regulating Electric Currents and Improvements in Electric Time-pieces and in Electric Printing and Signal Telegraphs". Nine innovations are described in the patent, those relating to horology as follows; 1. The use of earth batteries as shown in Sheet 1. 2. The method of making pendulums regulate each other as shown in Sheet 4, figure 1. 3. The method of working electric timepieces by electric currents passing through secondary conducting wires as shown in Sheet 4, figure 5.
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Specification of Thomas Wright & Alexander Bain - Application of Electric Currents to railway Signalling, Telegraphs, &c. - No. 9204

Catalogue no: 1047
Dewey No: Subject(s): Patents
Author(s): Alexander Bain, Thomas Wright
Total pages: 10 Illustrations: 4 fold out Language(s): English Publication date: 1841
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Only front cover remains detached and very frayed and fragile
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Notes:
Relates to; "Improvements in applying Electricity to Control Railway Engines and Carriages, to Mark Time, to give Signals and Print Intelligence at Distant Places".
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Specification of John Hutton - Chronometers and other Timekeepers - No. 11,427

Catalogue no: 1045
Dewey No: Subject(s): Patents
Author(s): John Hutton
Total pages: 8 Illustrations: 2 fold out Language(s): English Publication date: 1846
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile
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Notes:
Relates to; "Certain Improvements in Chronometers and other Timekeepers". The text and illustrations describe a number of inventions as follows; 1. Auxiliary compensation for chronometers 2. A barometric adjustment in the form of a mercury column for clocks 3. A compensation spring stud for watches 4. Improvement to the two-pin lever escapement 5. A new form of compensating pendulum 6. Compensation collets for balance wheel controlled timekeepers 7. Auxilliary compensation for pendulums A reprint of 1857 Malcolm Gardner, Horological Bookseller sticker on front cover and first page
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Specification of Thomas Yates - Timekeepers - No. 11,443

Catalogue no: 1044
Dewey No: Subject(s): Patents
Author(s): Thomas Yates
Total pages: 4 Illustrations: 1 fold out Language(s): English Publication date: 1846
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile and worn
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Notes:
Relates to: "Improvements in Timekeepers". The patent describes the slow beating 1/2 seconds balance with its escapement. Reprint of 1856 Malcolm Gardner, Horological Bookseller slicker on front cover and first page.
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