. Elements of practical agriculture; comprehending the cultivation of plants, the husbandry of the domestic animals, and the economy of the farm. "YVHEEL-CARRIAGKS. 133 No waggon, however, for the purposes of the farm, ought to require a greater force of draught than two horses; and in order that the horses may exert their force in the most advan- tageous manner, they should be yoked abreast, and not one be- fore the other, according to the common practice. They should be so attached, too, as that each, pulling upon the collar of the other, should exert an equal force in drawing. In order
. Elements of practical agriculture; comprehending the cultivation of plants, the husbandry of the domestic animals, and the economy of the farm. "YVHEEL-CARRIAGKS. 133 No waggon, however, for the purposes of the farm, ought to require a greater force of draught than two horses; and in order that the horses may exert their force in the most advan- tageous manner, they should be yoked abreast, and not one be- fore the other, according to the common practice. They should be so attached, too, as that each, pulling upon the collar of the other, should exert an equal force in drawing. In order that the waggon may turn with facility, the fore-wheels are gene- rally made considerably smaller than the hind-wheels, as we see in coaches and chariots, so that they may turn below the bottom of the carriage. By this diminution of the size, how- ever, the force required to draw the waggon is increased, both by the comparatively greater friction on the axle of the smaller wheel, and by the greater difficulty of pulling it over obstacles. For these reasons, the fore-wheels should either be kept as large as is consistent with the facility of turning, or placed a little in front of the body of the carriage, so that a smaller proportion of the weight shall press upon them. The follow- ing figure of a waggon shows this latter principle of construc- tion. *. Although the waggon, under certain given circumstances, possesses advantages of its own, it is yet inferior to the single- horse cart for the more common purposes of the farm. * Communication to the Highland Society of Scotland by Sir Alexan- der Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Low, David, 1786-1859. London : Longman, [etc. , etc. ]
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