Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 20
Fig. 11. … Fig. 12 (22) i Erasing Shield, nickel plated. (23) 2 Lettering Pens, Gillott No. 303. (24) 2 Ball Point, No. 506. (25) 2 No. 516. (26) 1 Two-foot Rule. CHAPTER I.INSTRUMENTS. It is a common belief among students that any kind ofcheap instrument will do with which to learn mechanicaldrawing, and not…
