Engineering drawing and geometry / [by] Randolph P. Hoelscher [and] Clifford H. Springer.
By: Hoelscher, Randolph P. (Randolph Philip), 1890- Hoelscher, Randolph P. (Randolph Philip), 1890-.
Contributor(s): Springer, Clifford Harry.
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First published in this ed. in 1961.
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