Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 52
inary wood-workers dividers can be boiiglit iu manyforms, the most common being the scre\v=adjusting wing dividers, shown in Fig. 57. Tliis form is reliable, and is easily adjusted tothe reciuired distance between points. Moreover, when clamped bythe thumb-screw, it is not liable to be altered by a… … Fig. 60. For spacing the teeth of gear wheels, and for other workin which great accuracy is required, a pair of 2|-inch or 3-inchdividers, such as are shown in Fig. 59, will be found necessary. The trammel is used when the distance between the pointsto be reached is too great for the ordinary…
Mechanical engineering -- Dictionaries
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