A knowledge of the method of making working drawings, and a capability of interpreting them correctly and with facility, are essential qualifications in a mechanic, as almost all work, unless that of a very simple character, is first drawn to scale, and then carried out in detail according to the drawing. The following observations on the subject are mainly condensed from Richards' 'Workshop Manipulation,' and the first and second series of Binns' 'Orthographic Projection.'

The implements required by the draughtsman include drawing-boards, scales, squares, compasses, ruling pens, pencils, Indian ink, paper, indiarubber, and water-colours.