Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 103
class of instrument 83 84 MECHANICAL DRAWING. because of its feel, its touch when in his hand, and anotherdraughtsman preferring the second class of instrument for thesame reason, it being simply a case,of what the man is accus-tomed to. The selection of instruments, then, becomes a question asto… … Fig. 41. I. Compass with pencil-leg and needle-point. 2. Hair-spring dividers.3. Lengthening-bar. 4. Pen-leg. 5, 6. Ruling-pens. 7. Lead-box. 8. Bow-pencil. 9. Bow dividers. 10. Bow pen. Just what tools are necessary, what to buy, is the nextquestion, and is one of much latitude, since there are…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
