56 



ELEMENTARY WOODWORKING 



spiked shoes and are armed with long poles having sharp 

 steel points. When such a jam breaks up, the crashing 

 of the logs and rush of water can be heard for miles. 



Having finally reached the mill, the logs float in the 

 river, inclosed in a log boom, until the mill men are 

 ready to saw them into planks. 



FIG. 69. A Modern Sawmill 



The boom consists of logs chained together and 

 stretched across the river just as a fence is built on 

 land to inclose cattle. 



The sawmill of to-day is a mass of automatic 

 machinery, and after the log enters it is not touched 



