Lumber, its manufacture and distribution . ogressive kiln. In compartment kilns they may be dispensed withand the lumber piled on fixed supports. Trucks for flat-piling differfrom those for edge-piling and those for cross-piling differ from thosefor end-piling. A common form for flat cross-piling is shown in Fig. 1 Devised by Tiemann and others of the U. S. Forest Products Laboratory. 230 SEASONING LUMBER 144a. The truck is from 5 to 6| feet in length, two or three of themconstituting a car. The lumber is placed flat on the truck frames,the weight of the lumber holding the trucks in position o
Lumber, its manufacture and distribution . ogressive kiln. In compartment kilns they may be dispensed withand the lumber piled on fixed supports. Trucks for flat-piling differfrom those for edge-piling and those for cross-piling differ from thosefor end-piling. A common form for flat cross-piling is shown in Fig. 1 Devised by Tiemann and others of the U. S. Forest Products Laboratory. 230 SEASONING LUMBER 144a. The truck is from 5 to 6| feet in length, two or three of themconstituting a car. The lumber is placed flat on the truck frames,the weight of the lumber holding the trucks in position on the a car will hold from 3000 to 4500 board feet, the amount varyingwith the length, the width, the thickness of the lumber, and the height ofthe pile. A truck for flat end-piling is shown in Fig. 1446. Four of thesecomprise a car, the space between trucks being spanned, cross-wise, by6- by 6-inch timbers. For edge cross-piling, a type of truck shown in c and d is commonly used. They differ chiefly from trucks for flat. a
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
