To find what a square body which measures one inch on each side measures across the corners; to find what diameter a cylindrical piece of wood must be turned to which is to be squared, and each side of which square must measure an inch
136
To find a radius across corners of a hexagon or a six sided figure, the length of a side being an inch
138
To draw a stud
142
To pencil in a cap nut; pencilling for a link having the hubs on one side only
145
Link with hubs on both sides; pencil lines for a double eye or a knuckle joint
146
Double eye or knuckle joint with an offset; a connecting rod end
Example in which the corner where the round stem meets the square under the head is sharp; a centre punch giving an example in which the flat sides gradually run out upon a circle, the edges forming curves
A locomotive spring; a stuffing box and gland; working drawings of a coupling rod; dimensions and directions marked; a connecting rod drawn and put together as it would be for the lathe, vise, or erecting shop