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 short distance from the town; each was drawn by two horses, and could mow on an average 6 acres of grass per day.

The machine is similar in its construction to the common reaping machine, but it has only one wheel, furnished with projections to prevent it from slipping. This wheel gives motion to the cutters, and supports one side, the other rests on a runner like that of a sledge. It has a pole to which two horses are attached in the ordinary way, and the driver sits on a seat fixed behind the cutters.

36. Churn Making, &c.—In an establishment at Worcester, Connecticut, 250 hands are employed principally in making ploughs, hay-cutters, chums, &c.

Templates and labour-saving tools are used in the manufacture of these implements, which are sold in very large numbers.

The churns consist of a double case, the inner one being of zinc, which receives the milk or cream, and in which the arms revolve, the outer one being of wood. It is found by experience that butter is formed most rapidly when the milk or cream is churned at a certain temperature, and in order to obtain this temperature, which is indicated by a thermometer inserted in the churn, warm or cold water is introduced