Patents

Specification of George Philcox - Marine and Pocket Chronometers - No. 674

Catalogue no: 1056
Dewey No: Subject(s): Patents
Author(s): George Philcox
Total pages: 2 Illustrations: 1 fold out Language(s): English Publication date: 1857
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover frayed and dog eared
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Notes:
Relates to; "Improvements in Marine and Pocket Chronometers and other Timekeepers". The patent describes a particular train of wheels for a two day marine chronometer and a one day pocket chronometer as well as a novel way of setting the hands without opening the case
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Specification of Henry Brocklebank - Timekeepers - No. 564

Catalogue no: 1057
Dewey No: Subject(s): Patents
Author(s): Henry Brocklebank
Total pages: 6 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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Relates to; "Improvements in Chronometers, Watches and Timekeepers". The patent describes eight innovations as follows; 1. Bent or curved detent springs for chronometers 2. An improved method of applying the stop pin to the detent spring 3. The new use of a pin acting on the passing spring of a detent 4. A new method of fixing the jewel pallet in the roller 5. The construction of watches or timekeepers with a centre seconds hand mounted on a tube or collar placed over or outside the tube or boss of the hour hand 6. The improved method of generating motion to the centre seconds hand
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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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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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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 George Philcox - Marine Chronometers and other Time-Keepers - No. 730

Catalogue no: 1053
Dewey No: Subject(s): Patents
Author(s): George Philcox
Total pages: 4 Illustrations: 1 fold out Language(s): English Publication date: 1852
Editor: Publisher: The Queen's Printing Office
Dimensions: 290mm x 200mm Condition: Blue covers fragile and torn
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Relates to; "Improvements in Marine Chronometers and other Time Keepers". The patent describes six innovations as follows; 1. The impulse or method of giving and receiving the blow 2. The peculiar train adapted for my escapement in obtaining half seconds with the fifth wheel 3. A new application or construction of the balance 4. The method of jewelling the staff with a solid ruby or other stone instead of a hollow roller as now used 5. The application of the double convelute springs 6. The application of the compensating properties as applied to the pendulum Reprint of 1854
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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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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 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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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 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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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 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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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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