Jamison, Alpha Pierce. [from old catalog] · New York, J. Wiley & sons; · leaf 192
aste of J to beapportioned, J at the top and \ at the bottom of the sheet to beused as try paper(to try the ruling-pen, etc., on), and when cutaway (when the sheet is completed) removes the thumb-tackholes. To secure the paper to the drawing-board (Fig. 53) place thepaper approximately in the… … 174 MECHANICAL DRAWING. board as shown, hold the paper with the right hand and with theleft hand on the T-square head move the square towards the topof the board until the top edges of the square and paper coincide,turning the paper as is necessary to square it with the square;with the paper thus…
Mechanical drawing
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