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Geometrical drawing; a collection of plates for...

Geometrical drawing, a collection of plates for practical use in elementary mechanical drawing by Ferdinand Friedrich Hans Schraidt, San Francisco : Whitaker and Ray-Wiggin co.

Geometrical drawing; a collection of plates for...

Geometrical drawing, a collection of plates for practical use in elementary mechanical drawing by Ferdinand Friedrich Hans Schraidt, San Francisco : Whitaker and Ray-Wiggin co.