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Excerpt from Elementary Course in Mechanical Drawing for Manual Training and Technical Schools, Vol. 1 of 2: Comprising Selection and Use of Instruments, Geometrical Problems, Orthographic Projections, And, Shades and Shadows, With Chapters on Machine Sketching and the Blue Printing ProcessThe scores of geometrical problems, either varia tions of those here given or depending directly upon them, have been eliminated, as were all exercises on t...

Excerpt from Elementary Course in Mechanical Drawing for Manual Training and Technical Schools, Vol. 1 of 2: Comprising Selection and Use of Instruments, Geometrical Problems, Orthographic Projections, And, Shades and Shadows, With Chapters on Machine Sketching and the Blue Printing Process The scores of geometrical problems, either varia tions of those here given or depending directly upon them, have been eliminated, as were all exercises on...