Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 58
inch.These gauges are not to be confused with the ordinarypitch-gauge used simply to tell whether the screw has12 or 13 threads to the inch or the like. Precision pitchgauges are tested to a high degree of accuracy—one con-cern, at least, claiming an accuracy of 0.0001 inch. Theyare not so… … JAWSCOLD BOLLtO STEt3.-CA3t HARODI3 RCQtl ■■ —I Fig. 30—Back rest made for a small lathe fact that we used the sa7ne combination of gears forscrew and hole. Many amateur mechanics have small lathes in theirworkshops which are very limited in their application,owing to the fact that they are not…
Machinery
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