Practical engineering drawing and third angle projection, for students in scientific, technical and manual training schools and for ... draughtsmen .. (1897)
Willson, Frederick Newton, 1855-1939 · Princeton, N.J., The author · leaf 19
t be so placed that its edge will Ije from them the distance indicated. It need hardly be said that a drawing-ijen should not be pushed. The niore frequently the draughtsman will take the trouble to clean out the point t)f the penand supjDly fresh ink the more satisfactory results will he obtain.… … DIVIDERS. 34. The hair-sjiring di\dders (Fig. 15) are employed in dividing lines and spacing off distances,and are capiable of the most delicate adjustment by means of the screw G and si:)ring in one of thelegs. When but one j)air of dividers is purchased the kind illustrated should have the…
Mechanical drawing · Lettering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
