Driving out a key.—In driving out a key is a quick or a slow hammer blow the most effective? [II. 65].
Riveting a crank pin.—For riveting a crank pin what shape should the pene or pane of the hammer be? [II. 73].
Face of a cold chisel.—What is the proper shape for the face of a cold chisel? [II. 73].
Key bearing.—What is the effect upon a wheel if its key bears upon opposite corners? [II. 107].
Fitting a key.—Should a key be driven lightly or not when fitting it, and why? [II. 106].
Angle Of wrench jaws.—What angle should the jaws of a wrench be to its body in order to enable it to turn a nut in a corner with greatest advantage? [I. 123].
Chucking a crank.—How should a crank be chucked in order to prevent the crank pin from being out of true, and the engine from beating and pounding? [I. 247].
Chucking a cross-head.—How should a cross-head be chucked so as to have its piston rod and wrist pin at a true right angle? [I. 252].
Length of drill edges.—Why should both edges of a drill be exactly equal in length and of equal angle? [I. 277].
Boring bar edges.—Should a boring bar for an engine cylinder have one, two, three or four cutters? [I. 289].