MAC] ( 80 ) 



Lumber. A term used in America for timber sawed or split for 

 use. 



Lumber Gauge. A tool used to measure the thickness of a board, 

 or to determine the accuracy of the manufacture of the 

 tongue and groove which have been cut on a piece of planed 

 timber. 



Lumber Jack. One who works in a logging camp. 



Lumber Trimmers. A name given to a series of cross-cut saws, 

 each on a separate hinged carriage, and so arranged that 

 any one or more of them may be brought into cut and so 

 trim off the ends of a plank and cut it into the required 

 lengths. 



Lumper and Lumpers. A " lumper " is a labouring man whose 

 office it is to load and unload ships in harbour. Lumpers 

 are a body of men so employed who usually do the work 

 " in gross," or for a " lump-sum " ; such bodies are called 

 gangs, their head man " a ganger," but alternatively a 

 " stevedore" (which see), each of which, as men of business, 

 may be actual employers of the "lumpers" or "gang- 

 men." 



Lurry. A timber wagon. Also known as lorry. 



M 



Machine-saw or Saws. Consist of thin blades, discs or bands of 

 steel with teeth cut on their edges. There are three types : 

 (1) Worked with a reciprocating motion, cutting in one 

 direction of the stroke only. See " Horizontal Frame," 

 "Fretsaw," etc. (2) Circular saws used in a large number 

 of different machines. See " Rack-bench," " Joiner's 

 Benches," " Roller-feed Benches." (3) Band-saws : end- 

 less ribbons of steel running over top and bottom or pairs 

 of horizontal pulleys. See " Band-saws," " Plain Band- 

 saws." See " Engineer." 



Machine Sawing. A term used to distinguish it from hand saw- 

 ing on the pit ; it takes various forms with different machines 

 from log-frames to fretwork machines, and so embraces the 

 whole field of sawing, cutting, ripping, etc. See " Falling 

 Cut." See " Engineer." 



Machinist. An operator of wood-working machines, as distinct 

 from a " mechanic " a maker of machines. 



