1-ARM MACHINERY 



45 



These several crops for the years covered by the data concern- 

 ing production by the aid of machine power were as follows : 1 



The number of days' work of man-labor requisite for producing 



the foregoing specified crops by the aid of machine power, together 



with the quantity of those several crops which the same labor 



: could have produced by the earlier hand method, are shown 



in the following : 



iin- IH-XI tin- difference between thr quantities of the 



i.illy produced under machine methods, in the years 



horses, when used to draw a reaping machine, will be considered as much a part 

 of the machine as an engine and boiler would be, if used for the same purpose. 

 8 The "unit numbers" here given* are the unit numbers made use of in the 

 nth Annual Report of the Department of I-ibor. from which the data in the 

 table are taken. The numbers are repeated here only for purposes of reference. 

 <>ok, 1900. 



