548 Of placing the Carriage: keep the axle in the right poſition, its upper face muſt be kept in the line

bed. If it be mérely- applied to the

outer ſide of the ſhaft a c e, the wheels

will be made to have too much gather forward.

The right ſlope to be given to the axle or ſhaft,’ where they arefitted together, may be found by the follow- ing proportion. As the length of the ſhafc from the fore ſide of the axle to tlie back band, is to the difference be- tween the height at the axle, and at the back band, ſo is. the breadth of the axle on its upper fide, to the depth to which it muſt be let into the ſhaft, at the hind ſide more than at the fore fide. or acistoab, ascdistode.

From

T9