Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 40
CLASS Industriaf .trade MochinisfNAME Uohn \/V. Roberts. date THE CARNEGIE TECHNICAL SCHOOLSpittsburgh, pa. School of Apprentices and Journeymemmechanical drawing 8 Hand Whetbl SCALE Full Size DWG. (vo. C-/009 LESSON No. 15, DRAWING TO SCALE.—In all of our previous lessons, thepieces illustrated…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-613-411.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-397-265.webp)
