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Scientific American, Vol. 40, No. 4 (1879) (1879)
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ilar object a cement chuck | piece, or even on the top of a raised oven; or when ironing Fig. 6 represents a simple and well known chuck. like that shown in section in Fig. 2 issometimes used. The ' ‘rests. It is needless to enlarge upon the risky character of center and turned out to tit the work.… … CHUCKS AND METHODS OF CHUCKING. © 1879 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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