Practical Shop Mechanics and Mathematics

acting forces adjacent side ALTERNATING CURRENT angle applied force back gear beam belt block carbon cast iron cents change stud gear Cloth compounding gears cone pulley cut per inch diameter direction division driven gear elongation Engineering factor of safety feet figures forces acting found by dividing friction gallons gear train hoisting holes horse-power hypotenuse inside stud gear Instructor jackshaft lathe lead screw lead-screw gear length lifted line shaft load machine measures Mechanics minute paper cover parallelogram Parallelogram of Forces piece piston pivot plates pound Pratt Institute pull punch R.P.M. drives Removable leaves resistance resultant right end rim speed rope shear shown in Fig simple-geared lathe sine slide Solution spindle gear sq.ins square inch steel strength Strength of Materials stress stud gear taking moments teeth thick threads cut Threads on lead threads per inch triangle vertical wire worm wheel wrought iron