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 69
Fig. 41 Fig. 42 Fig. 43 Fig. 41—How the plate is to be drilledFig. 42—Finding the exact centerFig. 43—Locating the holes in the center, scratch a small arc in each corner of theplate so it crosses the line we first drew. This is shownin Fig. 43. With the dividers open to % inch and thepoint in the…
Machinery
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