25 



. Bumpers : object, form, location. 



j. Band mills: chief features; make; diameter 



of wheels, crown, saw stretching device, r.p.m.,* 



h.p.f required, length of saw (maximum and 



minimum), largest log passing under the saw 



guide; log splitters, character, and when used.$ 



k. Circular mill: chief features of husk; make; 



r.p.m. of saw; board spreader; feed works; 



h.p. required : character of logs sawed ; top saw, 



direction of rotation, r.p.m. 



1. Rock saw: object of ; character; power appli- 

 cation; method of use. 



m. Sash gang mill : chief features ; make ; size ; 

 number of saws; strokes per minute; founda- 

 tion; h.p. required; character of logs sawed; 

 advantages of gang saw. 



n. Resaws : chief features, advantages (follow 

 band mill, or circular mill, schedule according to 

 character of resaw). 

 o. Saws. 



aa. Band : length, width, gauge of teeth and of 

 t>lade, number of teeth per linear foot, shape 

 of teeth, tension, tire, kerf, feed speed, number 

 of 1000 feet B.M. sawed at one filing, average 

 life, daily cut per saw, number of saws on 

 hand, use made of worn saws, cost of saws 

 per linear foot. 



bb. Circular: diameter; gauge; tension; speed; 

 shape, size, and number of teeth ; kerf ; feed ; 

 number of 1000 feet B.M. sawed at one riling; 

 life of saw; daily cut; number of saws on 

 hand ; cost. 



^Revolutions per minute. 



fHorse power. 



^Describe band log splitter under same headings as for 



band mill. 

 Board ^measure. 



