Taggart, William Scott · London : George Routledge & Sons, Ltd. · leaf 90
Fig. I2i is drawn parallel to S in Fig. 120and made by scale equal to the reading on the spring. Fromthe lower end of S draw a vertical line W, and from the upperend of S draw P parallel to P in Fig. 120. P and W will meet,and so complete the triangle of forces. Scale W and theweight of the roller… … Fk^UI Fi<^.1U The apparatus in Fig. 122 can be used for a series ofexperiments to illustrate the limiting angle of friction. A weight W rests on the board AB when it is closed and in ahorizontal position. If AB is now gently raised it will at lastoccupy such an inclined position that the weight…
Textile machinery
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