Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 116
and that edge nearest him the bottom. The DRAWING TOOLS AND MATERIALS. 97 student should fix these features of the board in mind, as theywill be used in further discussions. 97. The T-Square.—The T-square is a device used as thebasis of construction for all accurate drawing, and derives itsname… … Fig. 53. T-squares are made of various materials, the more commonof which are wood, rubber, amber, and metal, and with solidand adjustable heads and various attachments. A good work-ing-square, one answering all practical purposes, is made ofstraight-grained hard wood, with adjustable head and a…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
