The Verge Pocket Watch Its History, Development and Maintenance
by Barrow, ChristopherFormat: Hardcover
Pub. Date: 2012-09-01
Publisher(s): Robert Hale
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Summary
Following the success of The Pocket Watch, which has helped many people rescue old watches from the drawers in which they have languished, comes another clear and concise guide, aimed again at the enthusiastic amateur This book combines a fascinating history of the development of the verge pocket watch with a comprehensive step-by-step guide to cleaning and repairing a variety of English and Continental verge movements. Any reader who has a verge pocket watch hidden in a drawer and who would like to investigate its workings, perhaps with a view to getting it going again, will find that this books helps them reach that goal. It will also offer them a deeper appreciation of the beauty of both the design and technology of the verge pocket watch.
Author Biography
A member of the British Horological Society, Chris Barrow has been an electronic design engineer for almost 30 years and has been cleaning and repairing pocket watches for 20 years. He is also the author of The Pocket Watch: Restoration, Maintenance and Repair.
Table of Contents
| List of Illustrations | p. 11 |
| Figures | p. 11 |
| Drawings | p. 14 |
| Acknowledgements | p. 15 |
| Introduction | p. 17 |
| Early Horological Developments | p. 19 |
| The sundial | p. 19 |
| The water clock or clepsydra | p. 19 |
| The sandglass or hourglass | p. 21 |
| Development of the Verge Clock | p. 23 |
| Early History | p. 23 |
| Design and operation | p. 25 |
| The mainspring | p. 26 |
| The fusee | p. 28 |
| The hog's bristle | p. 30 |
| The screw | p. 30 |
| The pendulum | p. 30 |
| Development of the Verge Pocket Watch | p. 32 |
| Origins | p. 32 |
| The stackfreed | p. 33 |
| The balance | p. 35 |
| Calendar watches | p. 36 |
| Striking watches | p. 36 |
| Alarm watches | p. 37 |
| Repeating watches | p. 37 |
| The balance spring (hair spring) | p. 40 |
| Introduction of the minute and second hands | p. 40 |
| Materials used in watch construction | p. 40 |
| Cases | p. 41 |
| Watch glasses | p. 47 |
| Jewelling | p. 48 |
| Regulator | p. 48 |
| Remontoire | p. 53 |
| Maintaining power | p. 53 |
| Temperature compensation | p. 54 |
| Dials | p. 56 |
| Unusual dials | p. 57 |
| Animated dials | p. 59 |
| The fusee chain | p. 60 |
| Accuracy | p. 61 |
| Verge conversions | p. 61 |
| The doctor's watch | p. 63 |
| Stop/start lever | p. 64 |
| Mainspring set-up | p. 65 |
| Maintenance of the Verge Pocket Watch | p. 67 |
| Handling watches | p. 67 |
| Dismantling the watch | p. 69 |
| Removing the movement from the case | p. 69 |
| Removing the hands | p. 69 |
| Removing the dust cap | p. 72 |
| Removing the dial | p. 73 |
| Removing the cannon pinion | p. 75 |
| Letting down the mainspring | p. 76 |
| Ratchet and click set-up | p. 76 |
| Worm and wheel set-up | p. 77 |
| Removing the third and contrate wheels | p. 79 |
| Removing the balance | p. 80 |
| Dismantling the plates | p. 88 |
| Removing the crown wheel | p. 89 |
| Cleaning and checking the parts | p. 94 |
| Cleaning the plates | p. 94 |
| Cleaning the wheels and pinions | p. 95 |
| Checking and cleaning the mainspring | p. 96 |
| Cleaning screws | p. 98 |
| Checking the fusee | p. 98 |
| Reassembling the watch | p. 100 |
| Fitting the crown wheel - English verge | p. 100 |
| Fitting the crown wheel - continental verge | p. 100 |
| Fitting the fusee stop work | p. 101 |
| Assembly process if there is a spring barrel and third wheel bridge | p. 101 |
| Assembly process if there are no bridges | p. 102 |
| Pinning the plates | p. 102 |
| Fitting the regulator | p. 102 |
| Fitting the fusee chain | p. 103 |
| Winding the chain onto the spring barrel (ratchet and click set-up) | p. 104 |
| Winding the chain onto the spring barrel (worm and wheel set-up) | p. 104 |
| Fitting the balance | p. 104 |
| Dots on screws | p. 106 |
| Winding up | p. 107 |
| Fitting the cannon pinion | p. 107 |
| Fitting the dial | p. 108 |
| Fitting the hands | p. 108 |
| Regulation | p. 108 |
| Repeaters and other complications | p. 109 |
| Fixing a Broken Verge Watch | p. 110 |
| Things that might stop the watch from working | p. 110 |
| The watch will not run after cleaning/repair | p. 113 |
| Pivot problems | p. 115 |
| Damaged pivot holes | p. 115 |
| Damaged jewels | p. 116 |
| Bent pivot | p. 117 |
| Broken pivot | p. 117 |
| Endshake | p. 120 |
| Mainspring and barrel problems | p. 122 |
| Broken mainspring | p. 122 |
| Spring barrel lid | p. 123 |
| Fusee problems | p. 124 |
| Fusee chain attachment pin | p. 124 |
| Fusee chain | p. 125 |
| Broken fusee chain | p. 127 |
| Other fusee problems | p. 128 |
| Balance problems | p. 129 |
| Damaged balance spring | p. 130 |
| Bent pivots | p. 131 |
| Broken pivots | p. 131 |
| Pitted or scratched pivots | p. 132 |
| Bent or misaligned balance | p. 133 |
| The dial and hands | p. 133 |
| Dial cleaning | p. 133 |
| Dial repair | p. 134 |
| Replacement hands | p. 134 |
| Loose pillars | p. 136 |
| Listening to the watch | p. 137 |
| The Case | p. 138 |
| Cleaning | p. 138 |
| Tortoiseshell | p. 139 |
| Shark or ray skin (shagreen) | p. 139 |
| Repairing | p. 139 |
| Watch glasses | p. 140 |
| Watch Dating | p. 142 |
| Forgeries and Fakes | p. 146 |
| Watch signatures | p. 147 |
| Sources of information and suppliers on the internet | p. 148 |
| Further reading | p. 150 |
| Some useful terms | p. 153 |
| John Harrison and the measurement of longitude | p. 157 |
| Longitude | p. 157 |
| Harrison's marine timekeeper No. 4(H4) | p. 164 |
| Index | p. 169 |
| Table of Contents provided by Ingram. All Rights Reserved. |
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