610 COTTAGE, FARM, AND VILLA ARCHITECTURE. A B, fig. 1174, and on the line C D, fig. 1175. In each of these figures, the same letters represent the same parts : a represents an upright shaft or spindle four inches and 1173 a half in diameter, with an iron band and gudgeon on each end ; the top one working on an iron plate with a hinge joint and staple to release the spindle. The bottom gudgeon is shouldered, to prevent it going too far up the shaft, and it works in a cast-iron cap, b ; fixed to the cross-piece or arm, c, which is bedded in the stonework, d. There are three other arms, e, halved on c, at right angles to it, for the purpose of securing the circular rim, f, to which the cogs or teeth, g, are fixed. There is an axle or spindle, h, one end of which works in the upright shaft, a, and which is compelled to revolve on its own axis, when taken round with the spindle, l)y means of the spokes,^', which work in between
