Fig. 22.
Fig. 23.
The figure shows the two ways of doing this, one with the bar or lever on top and the other with the lever below.
Figs. [22] and [23] show two improved forms of axles.
Fig. 24.
[Fig. 24] shows another variety of the axle-set. It consists of a bar hooked on to the axletree in two places. The bar is fastened by the clamp M, and fulcrum block F. The eyebolt, L, is hooked over the end of the spindle or arm, and the adjustment of the latter is accomplished by the screw, S, and the nuts J, K.
Weight of Round Iron per Foot.