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The pattern maker's assistant : embracing lathe work, branch work, core work, sweep work, and practical gear construction : the preparation and use of tools : together with a large collection of useful and valuable tables (1878)

Rose, Joshua · New York : D. Van Nostrand · leaf 123

An illustration from The pattern maker's assistant : embracing lathe work, branch work, core work, sweep work, and practical gear construction : the preparation and use of tools : together with a large collection of useful and valuable tables, 1878, leaf 123
nch a quarter turn around, it will appear as shown in Fig. IIG; the curve formed by the intersection of the plane surface (just made) with the round surface of the piece, is the true curve of the body of the T. Turning to the other half of the branch, we perform upon it the same operation ; and we… … which A represents a sectional view of the body of the T, and B C are the two halves of the branch ; while the view D shows the body of the T lying horizontally, with the branch attached.

Patternmaking

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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