54 JOURNAL OF FORESTRY 



Shake, n. 1. A form of shingle split from a bolt of wood and used to cover both 

 the roofs and sides of buildings. Those made of sugar pine are 32 inches long, 

 5 inches wide, and 3/16 of an inch on the thinner edge. 

 Syn.: hand-made shingle, roof board,* (App.) 

 2. A crack in timber, due to frost or wind. (Gen.) 

 Syn,: windshake. 

 Shake roof. See Split roof. 



Shank, n. A device for locking inserted teeth in a circular saw. (Gen.) 

 Syn.: holder. 



Shanty boat. See Wanigan. 

 Shanty boss. 1, See Camp foreman. 



2. See Chore boy. 

 Shanty man. See Lumberjack. 

 Shear boom. A boom so secured that it guides floating logs in the desired 



direction. (N. F.) 



Syn.: fender boom, glancing boom. 

 Shear skid. See Fender skid. 



Sheathing, n. Lumber used to cover the exterior of buildings. (Gen.) 

 Sheathing lath. See Byrkit lath. 

 Shelter house. (Turp.) A small shed erected in the woods in which workmen 



may take shelter during storms. (S. F.) 

 Shim, 71. Blocking placed under cross-ties to level up the track; also used ta 



keep the track from sinking into the mud. (Gen.) 

 Shim up, to, ?;. To place shims under a railroad track, (Gen.) 

 Shingle, h. A thin, oblong piece of wood, with one end thinner than the other^ 



in order to lap lengthwise in covering roofs and outer walls of buildings- 



(Gen.) 



Shingle bolt. A short split section of a log from which shingles are manu- 

 factured. (Gen.) See Bolt. 

 Shingle bmidler. See Shingle packer. 

 Shingle jointer. See Knot saw. 

 Shingle mill. 1. A mill in which shingles are manufactured. (Gen.) 



2. A machine used in making shingles. (Gen.) 

 Shingle packer. 1. One who packs shingles in bundles. (Gen.) 

 Syn.: shingle bundler. 

 2. See Shingle press. 

 Shingle press. A frame in which shingles are packed in bundles. 



Syn.: shingle packer. 

 Shingle sav/. A circular saw used to cut shingles from bolts. (Gen.) 

 Shingle weaver. One who works in a shingle mill, (P. C. F.) 

 Shiplap, n. 1. A form of matching for lumber. A section one-half the thickness 

 of the board is cut from the upper side of one edge, and a similar section from 

 the lower side of the opposite edge. (Gen.) 



2. Lumber which has been worked shiplap. (Gen.) 

 Ship lumber, to. 1. To load lumber on cars or vessels for shipment, or to place- 

 lumber in the upper end of a flume for transportation. (Gen.) 

 2. To transport lumber by rail or water. (Gen.) 

 Shipping dry. A condition of lumber in which the moisture content is the same 



as that of air-dried lumber. (Gen.) 

 Shook, /(. 1. A bundle of planed, seasoned, and jointed staves, containing a 

 complete set for one barrel, (S. F.) 

 2. See Box shooks. 

 Shoot a jam, to. To loosen a log jam with dynamite. (Gen.) 



