A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 248
goodrich shade of blue, neither too light nor too dark; notice thenumber of the part chosen, and it will indicate the length oftime that the print >vas exposed. Examine carefully thecorresponding part of the other strip, and the correct colorof the edge of the print projecting beyond the tracing… … Fig. 17 134. In Fig. 17 is shown a patented frame which can beshoved out of the window and adjusted to any angle. WhM. E. y.—i3 en 84 MECHANICAL DRAWING § U not in use. it can be folded up against the wall and occupiesbut little space. It is made in different sizes from 16 X 24to 48X TS. It is one…
