Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 286
Fig. 118. … vjni ^JVTvKhvJ^vJXjv O inr Fig. 119. Kjrn. D :r mr two friction surfaces. Let the coefficient of friction be-tween the block and the frame also between the washer andthe frame be ^ = say .3, then the resistance due to friction is,by formula, 2(J)Wt — F and when applied to our problem is1021.2 lb.…
Machine design
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-365-245.webp)
