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Scientific American, Vol. 56, No. 1 (1887) (1887)
leaf 5
nder or returned upon itself at one side of the MACKENZIE’S OUTLINING TOOL. hooks, Fig. 2, whose hooked heads overlap each other opening (Fig. 2) to form a rounded support for the to grasp the coupling pin of the opposite drawhead. hook when the line is wound up; and upon the op- chambers and held… … light or cream colored. exploded by electricity. © 1887 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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