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Specification of Albert Marcius Silber - Apparatus for Indicating Time - No. 3689

Catalogue no: 1069
Dewey No: Subject(s): Patents
Author(s): Albius Marcius Silber
Total pages: 6 Illustrations: 1 fold out Language(s): English Publication date: 1869, 20th Dec
Editor: Publisher: The Patent Office
Dimensions: 290mm x 200mm Condition: Outer cover missing but otherwise good
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Notes:
Relates to; "Improvements in Apparatus for Indicating Time, Partly Applicable to Revolving Apparatus for other Purposes." The patenet details four innovations as follows; 1. The use of the lever, patent lever or hoizontal escapement for revolving movements. 2. A key or other winding device forming a fixture on the side of a lamp (as in night clocks). 3. A new alarm mechanism 4. The arrangement by which a clock mechanism housed in the base of a stand can cause rotary motion to a gallery above (as in the globe of a night clock).
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Specification of Daniel Azro Ashley Buck - Watches - No. 2283

Catalogue no: 1068
Dewey No: Subject(s): Patents
Author(s): Daniel Azro Ashley Buck
Total pages: 9 Illustrations: 2 fold out Language(s): English Publication date: 1878, 7th June
Editor: Publisher: The Patent Office
Dimensions: 290mm x 200mm Condition: Fragile, outer cover missing
Related titles: Several references in the NAWCC Bulletin. Related library records:
Notes:
Relates to; "Improvements in Watches". D.A.A.Buck is described as from the City of Worcester, in the State of Massachusetts, in the U.S.A. The patent lists 24 innovations in the design and manufacture of a watch and which make up the famous long wind revolving movement with duplex escapament as manufactured by the Waterbury Co., Connecticut. D.A.A.Buck must have filed his patent simultaneously in the USA and in Britain as the US patent is dated 28th May, 1878. This class of watch is extensively researched in an article by William Dunn in NAWCC Bulletin no. 388 (Oct 2010), pp542-554
Room location: Library Cabinet: Q Shelf: 4
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Specification of Alexander Melville Clark - Stop Watches - No. 2894

Catalogue no: 1067
Dewey No: Subject(s): Patents
Author(s): Alexander Melville Clark
Total pages: 4 Illustrations: 1 Language(s): English Publication date: 1877, 28th July
Editor: Publisher: The Commissioners of Patents for Inventions
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile
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Notes:
Relates to; "Improvements in Stop Watches". Four innovations are described as follows; 1. "In horse-timing watches the quarter second hand and its dial located on the top of the watch movement". 2. "The timing attachment consisting of a quarter second and split quarter second hand, mounted on a short centre post, and geared with the watch train." 3. The combination of bevelled and toothed gearing that can be thrown in or out of gear when needed.
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Specification of Harrison Mill Frodsham - Escapaments for Watches and Clocks - No. 2912

Catalogue no: 1066
Dewey No: Subject(s): Patents
Author(s): Harrison Mill Frodsham
Total pages: 2 Illustrations: None Language(s): English Publication date: 1876, !5th July
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile
Related titles: The Frodshams, by Vaudrey Mercer, pp. 161-2 Related library records:
Notes:
Relates to, "Improvements in Independent Equi-motive Escapements for Watches, Clocks, and other Timekeepers". The patent describes a form of constant force escapement. Printed 1877 Malcolm Gardner, Horological Bookseller sticker on front cove
Room location: Library Cabinet: Q Shelf: 4
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Specification of Charles Grant Kelvey and William Holland - Chronometers &c - No. 2184

Catalogue no: 1065
Dewey No: Subject(s): Patents
Author(s): Charles Grant Kelvey, William Holland
Total pages: 5 Illustrations: 1 fold out Language(s): English Publication date: 1863, 4th Sept
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover ver fragile and torn, small tear in pages of text
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Notes:
Relates to; "Improvements in the Construction of Chronometers and other Timekeepers". The patent describes two innovations as follows; 1. "Firstly, constructing, arranging, and combining the several parts constituting the escapament of watches and other timekeepers". 2. "The use of a detachable cock on the pillar plate with a moveable piece on the plate thereon, for adjusting the escapaments of watches and othe timekeepers". Printed 1864 Malcolm Gardner, Horological Bookseller sticker on front cover and first page
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Specification of John Cole and Joseph Cole - Watches - No. 1833

Catalogue no: 1064
Dewey No: Subject(s): Patents
Author(s): John Cole, Joseph Cole
Total pages: 5 Illustrations: 1 fold out Language(s): English Publication date: 1861, 20th July
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile
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Notes:
Relates to; "An Improvement in the Construction of Watches". The patent describes a method by which a centre seconds watch may be made to have dead beat action. This involves an additional small spring in a spring barrel attached to the forth wheel, plus a fly which is released every second.
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Specification of John Sanders - Watches - No. 450

Catalogue no: 1063
Dewey No: Subject(s): Patents
Author(s): John Sanders
Total pages: 6 Illustrations: 1 fold out Language(s): English Publication date: 1860
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile and torn, small tear in text
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Notes:
Relates to; "Certain Improvements in Watches". The patent describes four improvements as follows; 1. A mechanism for setting the hands of a watch without opening the case 2. A winding mechanism for watches with a going barrel 3. A winding mechanism for fusee watches 4. A method of sotpping and starting a watch at will
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Specification of Adolphe Lancon, Junior - Watches - No. 504

Catalogue no: 1062
Dewey No: Subject(s): Patents
Author(s): Adolphe Lancon, junior
Total pages: 4 Illustrations: 2 fold out Language(s): English Publication date: 1859
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile
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Notes:
Relates to, "A New System of Watches". The text describes a new escapement of the frictional rest type although he it also describes the system as follows; "in those watches known as men's watches, the fouth catching, called escapement catching, is suppressed". The text and illustrations reveal an escapament that has some features of a cylinder escapament and some of a duplex escapament, designed pricipally for easy of manufacture.
Room location: Library Cabinet: Q Shelf: 4
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Specification of Edwin Bartholomew Horn - Compensating Apparatus for Watches or Timepieces - No. 2352

Catalogue no: 1061
Dewey No: Subject(s): Patents
Author(s): Edwin Bartholomew Horn
Total pages: 3 Illustrations: 1 fold out Language(s): English Publication date: 1858
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Generally good, covers a bit fragile
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Notes:
Relates to; "An Improved Compensation Apparatus for a Hair Spring Balance for a Watch or Timepiece". The patent describes a bi- metallic balance spring and a sliding plate to which the balance spring stud is attached, so designed to be adjustable in order to put the escapement in beat. Published 1859
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Specification of James Feguson Cole - Watches and other Time-Keepers - No. 443

Catalogue no: 1060
Dewey No: Subject(s): Patents
Author(s): James Furguson Cole
Total pages: 2 Illustrations: None Language(s): English Publication date: 1858
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Cover and pages fragile and frayed
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Notes:
Relates to; "An Improvement in Watches and other Time-Keepers, and and Improved Escapement Wheel or Pallet to be employed therein". Describes the Resilient escapement. A working model of this escapement by Egbert Storer is in the BHI collection
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