526 



Farm Mechanics. 



661. Governor. The governing mechanism for gaso- 

 line engines varies in detail, but is usually a device by 



__ -...^-i^-^^ 



FIG. 256. Vertical gasoline engine showing governing mechanism. 



which the pump is made to supply a charge of gasoline 

 whenever an explosion is desired and the essential parts 

 of the mechanism are represented in Fig. 256, where E E 

 are a pair of governing balls which revolve with the fly- 



