34 JOURNAL OP fore;stry 



Joint, V. To make staves square-edged, and to give them the proper taper at 



the ends. (Gen,) 

 Jointed flooring. A flooring strip that has been surfaced and the sides of which, 



instead of being tongued and grooved, are cut on a slight bevel. Used chiefly 



in New England for porch floors; sometimes for ship decking. 

 Jointer, n. (Log.) 1. In cross-cut saw fitting, a tool which is placed over the 



ends of the teeth and which serves as a guide for the file when the teeth are 



being reduced to a uniform length. (Gen.) 

 (Lum.) 1. See Lister. 



2. See Hand planer. 



3. See Knot saw. 

 Jointer wheel. See Lister. 



Joist, n. 1. A piece of dimension or a timber which is used to support the floor 

 of a building. (Gen.) 



2. A piece of lumber 8 feet or more in length, from 1^/^ to 4i/4 incheg/ in 

 thickness, and from 6 to 12 inches wide. (English markets.) 

 Juggler. See Log roller. 



Jumbo, n. 1. A type of tongueless double sled used for short-distanee hauling. 

 (L.S.) 



Syn.: double dray. 

 2. See Bull block. 

 Jumper, n. (Log.) A sled made wholly of wood, used for hauling supplies over 

 bare ground into a logging camp. (N. F,, E. C.) 

 See Mudboat; Whip-poor-will. 

 Syn.: tote sled. 

 (Lum.) See Swage. 

 Jump saw. A circular saw, the base of whose frame is attached to the piston of 

 a steam cylinder, to an eccentric, or to a shaft, so that the saw frame can be 

 raised or lowered in a vertical line. The saw is placed below a line of live 

 rolls and is used to cross-cut long boards and timbers, the operator elevating 

 the saw between the live rolls fflr this purpose. (Gen.) 



Katydid, n. See Logging wheels. 



Kedge. See Warp. 



Key log. In river driving, a log which is so caught or wedged that a jam is 

 formed and held. (Gen.) 



KUhig, n. A short, stout pole used as a lever or brace to direct the fall of a 

 tree. (N. W.) 

 Syn.: sampson. 



Kiln. See Dry kiln. 



Kiln-dried saps. An export grade of southern yellow-pine lumber. (S. F.) 



Kiln-dried lumber (K. D.). Lumber which has been seasoned in a dry kiln and 

 contains less moisture than air-dried lumber, (Gen.) 



Kiln-dried sidings. See Kiln-dried saps. 



King swamper. A head swamper. (S. F., App.) 

 Syn.: buck swamper. 



Knee, n. That portion of a sawmill carriage head block that bears the carriage 

 dogs which hold the log while being sawed. It also supports the levers used 

 to operate both the carriage dogs and the taper set. (Gen.) 



Knee bolter. A machine comprising a circular saw and a small traveling car- 

 riage operated by the knee which is used for squaring up shingle bolts and for 

 cutting out defects. (Gen.) See Bolter. 

 Syn.: sapper (P. C. F.) 



Knocked-down, a. As applied to a box, the various parts previous to their 

 assembling. (Gen.) 



