Electrical Horology

Instructions for the Installation & Maintenance of Gents of Leicester Controlled Electric Clock System

Catalogue no: 1207
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 20 Illustrations: 10 Language(s): English Publication date: c.1960
Editor: Publisher: Gents of Leicester
Dimensions: 245mm x 185mm Condition: Good, centre pages separated fro staples
Related titles: New Cat. Nos, 1206 & 1207 Related library records:
Notes:
Publication 246F With a few small changes, an identical publication to Publication 246D (New Cat. No. 1207.) Diagrams on last 3 pages in excellent condition.
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Instructions for the Installation & Maintenance of Gents of Leicester Controlled Electric Clock System

Catalogue no: 1206
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 20 Illustrations: 11 Language(s): English Publication date: c.1955
Editor: Publisher: Gents of Leicester
Dimensions: 245mm x 185mm Condition: Spine staples rusty and pages loose
Related titles: New Cat Nos. 1206 and 1208 Related library records:
Notes:
Publication 246D Identical content to New Cat. No. 1206, but complete with buff coloured covers with Index on inside front cover and details of Home and Overseas Agents on inside rear cover. Also with addition of pp. 17-20 which includes a diagram of the oiling points for a Waiting Train Movement and diagrams of the following; 1. Circuit, Simple N.S.46 2. Circuit, Simple, incorporating Programme Instrument and Signal Duration Controller, N.S.47 3. Circuit Multiple, incorporating Sub-Transmitting Relays, N.S.48 4. Tower Clock, Typical Waiting Train installation, N.S.70
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Hints on the Installation and Maintenance of Gents' of Leicester Controlled Electric Clock System

Catalogue no: 1205
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 16 Illustrations: 7 Language(s): English Publication date: c.1950
Editor: Publisher: Gents' of Leicester
Dimensions: 240mm x 185mm Condition: Outer cover missing, pages torn down spine, some missing
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Publication 246E Topics covered in this pamphlet are in three sections as follows; 1. Installing; Fixing the Master Clock; Current Supply; Calculating Voltage Required; Accumulators for Waiting Train Tower Clock Movements; Wiring; Fixing Slave Clocks; Setting Individual Slave Clocks;Removing or Adding a Slave Clock; Operation of Master Clock; Summer Time Change; Programme Instruments; C.69 Adjustable Type; C.68 Non-adjustable Type; Signal Duration; Setting a Programme Instrument; Time Recorders fitted with Reflex Control; Fitting Reflex Control; Time Recorders fitted with Propelments.
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Hints For Users. "PUL-SYN-ETIC" Electric Impulse Clock Systems. Pendulum Type

Catalogue no: 1204
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 10 Illustrations: 7 Language(s): English Publication date: c.1935
Editor: Publisher: Gents of Leicester
Dimensions: 245mm x 185mm Condition: Good, back cover dirty
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Leaflet 185b, intended to be placed in receptacle inside Master Clock case. Contents include the following; 1. Source of Current Supply. AC and DC Mains; Battery 2. The Circuit 3. Test of Circuit by the Transmitter 4. The Transmitter. How it operates. 5. The Transmitter. Examination 6. The Transmitter. Oiling 7. Adjusting Transmitter 8. The Impulse Clock 9. Battery or Current Supply Inside back cover is a list of products manufactured by Gents under the Tangent, Pul-Syn-Etic and Electro-Matic labels
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Electric Impulse & Synchronous Clocks

Catalogue no: 1203
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 16 Illustrations: 35 Language(s): English Publication date: c.1945
Editor: Publisher: Gents' of Leicester
Dimensions: 245mm x 185mm Condition: Good, punched holes for ring binder
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A pamphlet probably published at the end of the 2nd World War. Title page states; "Book 5, Section 1 & 7 (Abridged Edition 5)" Abridged List; Owing to war conditions, it became necessary to reduce the number of different designs to a minimum. These designs are now being extended so that in due course the former comprehensive range will again be available. This list gives, as far as possible, the types of Clocks and allied equipment in production at the time of going to press. Pages 3-16 give descriptions, illustrations and prices for the range of Gents clocks as follows;
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The Synchronome Priciples

Catalogue no: 1200
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 8 Illustrations: 2 Language(s): English Publication date: c.1930
Editor: Publisher: The Synchronome Company, Ltd.
Dimensions: 155mm x 120mm Condition: Good
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Notes:
A leaflet promoting the superior principles of the Synchronome system. "When we speak of a man as unprincipled, we can say nothing worse about him. What is true of a man is true of electric clocks. There are systems offering to-day which are unprincipled. Etc. In the leaflet, the Synchronome Principles are expounded as follows; 1. As a Clock, (from a clockmaker's point of view) 2. As a Switch, (from an Electrical Engineer's point of view) Other sections give details on Battery Warning, Electrical Supply, The Wiring, Turret Clocks and Bell Controllers.
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The Shortt Free Pendulum Clocks at Greenwich Observatory

Catalogue no: 1201
Dewey No: Subject(s): Electrical Horology
Author(s): F. Hope-Jones M.I.E.E. F.R.A.S.
Total pages: 4 Illustrations: 2 Language(s): English Publication date: c.1930
Editor: Publisher: The Synchronome Company, Ltd.
Dimensions: 245mm x 145mm Condition: Good
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Notes:
Full Title as follows; "The Shortt Free Pendulum Clocks at Greenwich Observatory. Summary of Five Years' Experience and Degree of Accuracy Achieved." Over 2 pages of text, the author describes the performance of the Free pendulums at Greenwich up to 1929 and the search for even greater improvements in rate. Included is a list of 37 Observatories which have installed Shortt Free Pendulums, with two illustrations.
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Instructions for Fixing, Operating and Maintenance. The "Pul-Syn-Etic" System

Catalogue no: 1202
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 12 Illustrations: 8 Language(s): English Publication date: c.1930
Editor: Publisher: Gents' of Leicester
Dimensions: 245mm x 185mm Condition: Fragile, covers dirty, has been in ring binder
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Leaflet 242 Title page gives address as Faraday Works, Leicester. Contents of leaflet as follows; 1. The Transmitter (Position, Fixing, Plumbing Upright, How it Operates, Regulating, Regulating the System, Adjusting, Locating Faults). 2. Summer Time Act 3. Battery Power 4. Weak Battery Warning Bell 5. "Waiting Train" Battery 6. The Impulse Clock (Fixing, Setting to Time), Removal, Adjusting, Programme Ringing). 7. Line Wires and Wiring 8. Oil 9. "Start and Cease Work" Signals 10. Programme Ringing 11. Reflex Control 12. Faults
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Medieval Art in Modern Electric Clocks

Catalogue no: 1199
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 4 Illustrations: 3 Language(s): English Publication date: c.1930
Editor: Publisher: The Synchronome Company, Ltd.
Dimensions: 225mm x 140mm Condition: Good
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Notes:
A 4 page leaflet with the inner 2 pages describing and illustrating the Liberty's clock, "St. George and the Dragon." Final page, "A few Testimonials out of many." (Illustrated)
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Synchronome Automatic Bell Controllers

Catalogue no: 1198
Dewey No: Subject(s): Electrical Horology
Author(s): Unknown
Total pages: 8 Illustrations: 6 Language(s): English Publication date: c.1930
Editor: Publisher: The Synchronome Company, Ltd.
Dimensions: 240mm x 150mm Condition: Good
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Notes:
"For operating Electric Bells, Hooters, Syrens and all other forms of Warning Signals, according to a pre-arranged programme and in exact synchronism with the clocks on the premises," Page 3 is a General Description of the system Pages 4-6 is an illustrated catalogue and price list of Type A,B,C and D Series, (Type A not illustrated) Page 7, "Duration of Rings", a description of "A Duration Reducer." Final page is an illustrated advertisement fo Synchronome
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