AGRlCUIyTURAI, MACHINERY 



IOI3 



necessary quantity of fuel, then the press was started, the pressure raised 

 to 85 lbs and kept there while the machines worked steadily for some hours 

 after which the experiment was stopped at the initial pressure of 64 lbs. 

 and with the same water level in the boiler. 



Careful record was kept of the weight of fuel consumed, work done, 

 time employed etc., and these data are given in the annexed table. 



790 - Review of Patents. 



Tilling machines and implements. 



Ctmada 167 801. I'lough. 



Cuba 2452. Improvemcnls in cullivalors. 



Denmark 21 099. Cultivator. 



21 123 — 21 142. Dilching machines. 

 4 471. Subsoilcr. 

 408. Power driven ploughs, cultivators etc. 

 802. Motor ploughs. 

 United-States i 176 047 — i 176 334 ■ — i 177 883 — i 178 515 — i 179 295. Harrows. 

 I 176098. Soil pulverizer. 

 I 176240. Roller attachment for gang i)louglis. 



I United- Kingdom 



