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Roy Ehrhardt (1993) European Repeaters & Clock Watches, Book 1, Heart of America Press. ISBN 0-913902-72-1. A compilation of repeaters and clock watches found in auction catalogs over the years. 170 pages. A picture and a description of each watch is given. The watches are sorted by functions and brands. The Book 2 has not been released yet.
The first stem-wind and stem-set pocket watches were sold during the Great Exhibition in London in 1851 and the first owners of these new kinds of watches were Queen Victoria and Prince Albert. Stem-wind, stem-set movements are the most common type of watch-movement found in both vintage and modern pocket watches.
A fusee (from the French fusée, wire wound around a spindle) is a cone-shaped pulley with a helical groove around it, wound with a cord or chain attached to the mainspring barrel of antique mechanical watches and clocks. It was used from the 15th century to the early 20th century to improve timekeeping by equalizing the uneven pull of the ...
Jacques-Frédéric Houriet (1743–1830), Swiss watchmaker, Le Locle, pocket watch, tourbillon. [1] Jules Jürgensen (1745–1811), Danish watchmaker and manufacturer, Le Locle, pocket watch, longcase clock. Peter Kinzing (1745–1816), German clockmaker and mechanic. Daniel Möllinger (1746–1794), German clockmaker, Heidelberg, city clock maker.
John Arnold (1736 – 11 August 1799) was an English watchmaker and inventor.. John Arnold was the first to design a watch that was both practical and accurate, and also brought the term "chronometer" into use in its modern sense, meaning a precision timekeeper.
Behold: A rare 1940s Rolex military watch with an estimated value and an incredible backstory you won't believe. "I feel this will sell very easily at auction between $40,000 to $50,000," said ...
Verge watches and clocks are sensitive to changes in the drive force; they slow down as the mainspring unwinds. [36] This is called lack of isochronism. It was much worse in verge and foliot clocks due to the lack of a balance spring, but is a problem in all verge movements.
E. Howard & Co. was a clock and watch company formed by Edward Howard and Charles Rice in 1858, after the demise of the Boston Watch Company.The pair acquired some of the material and watches in progress, based upon a lien against the defunct company held by Rice, but they were unable to buy the existing factory or machinery, so they moved to Roxbury.
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