up to the present time, have been according to the application for which it is designed, and obliged to perform by hand a large number of operations The machine is of a double-acting and expansion type. deviates but little from it in practice. Under these circum- Admission ceases at about… … the distribution of motive power for smal] manufacturers. withdrawn from tbe room in which the motor is located. Fig. 1—RAREFIED AIR MOTOR FOR DOMESTIC USE. The need of such a power, which was far from being felt in This latter feature proves very advantageous, naoreover, in 1688 or 1694, is at…
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