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[Figure 9.—Details of the Freight-Carrying Wagon, 1800-1820, of Figure 8. (Drawing by Donald W. Holst.)]
a: Running gear, top view: 1, Front and rear hounds. 2, Bolsters, with axletrees directly underneath. 3, Coupling pole. 4, Brake beam. 5, Brake-beam shelf, or support. 6, Segments forming the fifth wheel; these prevented the bed from toppling, or swaying excessively on turns. 7, Rear brace for front hounds, to keep tongue from dropping.
b: Brake mechanism, detail: 1, Brake rocker bar, with squared end for brake lever. 2, Rods connecting rocker bar to brake beam. 3, Rubber, or brakeshoe, made of wood, often faced with old leather. 4, Brake beam. 5, Brake-beam shelf, or support. 6, Brake lever, often 4 or 5 feet long.
c: Front axletree and bolsters, front view: 1, Axletree. 2, Bolster, showing wear plates. 3, Upper bolster, actually part of the wagon bed. 4, Axle, showing ironing.
d: Rear axletree and bolster, rear view: 1, Axle tree, showing linchpin in position in right axle. 2, Bolster. 3, Hook and staple for holding bucket of tar used in lubricating axles. 4, Hound pins.
e: Toolbox, showing front, end, and top; it was secured to left side of wagon.
f: Doubletree, with singletrees attached.
g: Brake mechanism, side view.