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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 117

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 117
116 PATTERN maker's ASSISTANT. sides to the lines. It is not necessary to actually draw the hexagon on the circumference, by joining the lines of … that error may have crept in, though we have performed the above operation with the greatest of care ; it is there- fore imperative upon us to apply correcting tests to our work, such as a pau- of cahpers, to try if each pair of the opposite sides are parallel ; also the bevel, to verify if each…

Patternmaking

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

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