. The watch factories of America, past and present. A complete history of watchmaking in America, from 1809 to 1888 . to his notice, and his fertile brainand faculty for imparting information, made him an interest-ing companion and valuable -writer and instructor. Unlikeother mechanics and inventors, he seemed to grasp thewhole idea and work out his problem almost instantaneous. His connection with the Waltham factory gave him: abundant opportunity to bring his inventive genius intoplay in originating new tools to do work formerly done byhand. He not only conceived new ideas, but b
. The watch factories of America, past and present. A complete history of watchmaking in America, from 1809 to 1888 . to his notice, and his fertile brainand faculty for imparting information, made him an interest-ing companion and valuable -writer and instructor. Unlikeother mechanics and inventors, he seemed to grasp thewhole idea and work out his problem almost instantaneous. His connection with the Waltham factory gave him: abundant opportunity to bring his inventive genius intoplay in originating new tools to do work formerly done byhand. He not only conceived new ideas, but being anexcellent draughtsman, he placed them on paper, and then•entering the machine shop, he, with his own hands, madeand put them together. Under his charge the jeweling department soon made acomplete revolution. New systems and methods of doingwork were introduced, new machines made and the amount•of work turned out was doubled. Many of the tools usedto-day in our watch factories w^ere invented and first builtby Mr. Sherwood. A list and description of the varioustools invented by this remarkable man would fill a good. N. B. SHERWOOD. PAST AND PRESENT. 23 -sized volume, and we will confine our remarks to but a fewof them. He invented what is known as the Counter-sinker or screw head tool, for jewel screws; The End-shake Tools; The Opener and The Truing-up The End-shake Tools, were truly wonderful machines,being self-measuring and so constructed that no matter towhat depth the shoulder was cut in the upper plates, byputting the plate against one end of one of the tools, andthe jewel with its setting in a spring chuck the tool wouldcut a shoulder on the setting that would bring theface of each and every jewel exactly flush with theunder side of the plate when the setting was put in. Thejewels were then reversed and put into another chuck andthe top of the setting cut down by this magic tool until itwould come exactly flush with the top of the plate, orrather leave j
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