WHI] (158) 



Other sizes in proportion. See " Welsh Slates, Computed 

 Weight of." 



Welsh Slates, Computed Weight of a Mille of 1,200 Slates of the 



following sizes : 



in. in. T. c. Q. in. in. T. c. Q. j in. in. T. c. Q. 



24 X 12 3 10 20 x 10 2 7 2 



22 x 12 3 5 j 18 x 10 2 2 2 



20 x 12 3 ! 16 x 10 1 17 2 



18 x 12 2 10 I 14 x 10 1 15 



16 x 12 2 2 2 j 13 x 10 1 7 2 



14 x 12 1 17 2 j 12 x 10 1 5 



16 x 8 1 10 



14 x 8 150 



12 x 8 100 

 10 x 8 17 2 

 14 x 7 122 



13 x 7 100 



other sizes in proportion. See ' ' Welsh Slates, Covering 

 Power of, etc." 



West India Quality. A quality or classification in pitchpine 

 calling for all heart. 



Westmorland Slates. An old, strong, heavy class of slates not 

 graded in sizes, but used on the principle that the eave por- 

 tion of a roof has to deal with the greater part of the rain- 

 water, hence the largest are there fixed, and the smallest are 

 allocated to the ridge. It is a durable but somewhat costly 

 covering, though still used, especially on estate-work. See 

 "Welsh Slates." 



Wet or Tight Cooperage. Casks made to hold liquids. See 

 " Tight Cooperage." 



Wheelwright. ( 1 ) A mechanic who makes wheels. (2 ) A machine 

 capable of performing a number of operations necessary in 

 the construction of wheels, such as planing, jointing and 

 shaping the felloes, mortising the hubs, boring the felloes, 

 and tanging the ends of the spokes. 



Whiffle-tree. A swinging bar, to which the single-trees are 

 attached, used in a pair-horse wagon. 



Whin or Whim. A pole suspended on two wheels, used for haul- 

 ing timber, known by various names locally, some of which 

 are : " Timber gin," " Long-shaft bob," " Timber tug," 

 " Timber janker " (in Scotland), " Timber nib," " Pole tim- 

 ber carriage," "Big wheels," " Timber gill," " Timber drug," 

 "Timber gig," "Timber cutts," "Timber jim," etc. 



Whip Saw. A strong gauge two-handed saw. A saw used by 

 hand in pit-sawing of timber. It has no frame, and conse- 

 quently is not stretched or tightened. It is used for breaking 

 down logs, i.e., in making the " falling-cut " (which see), 



White Cooperage. Includes such articles as churns, pails, etc., 

 which for the most part have straight sides, and are mostly 

 wrought in sycamore. 



