Search results
Results from the WOW.Com Content Network
English: Photograph of nine cars of hardwood timber on a switch near the Southern Pine Lumber Company sawmills, which are shown in the background. Published in the "American Lumberman" in 1907.This photograph is part of the collection entitled: American Lumberman: Photographs of Southern Pine Lumber Company and was provided by The History Center to The Portal to Texas History, a digital ...
[citation needed] PSL can be made from any wood species, but Douglas fir, southern pine, western hemlock, and yellow poplar are commonly chosen [9] because of their superior strength. The product is manufactured as a 12-by-12-inch (300 mm × 300 mm) or 12-by-18-inch (300 mm × 460 mm) billet in a rectangular cross-section, which is then ...
Jeffrey pine wood and ponderosa pine wood are sold together as yellow pine. [6] Both kinds of wood are hard (with a Janka hardness of 550 lbf (2,400 N)), but the western yellow pine wood is less dense than southern yellow pine wood (28 lb/cu ft (0.45 g/cm 3 ) versus 35 lb/cu ft (0.56 g/cm 3 ) for shortleaf pine).
Southern Pine Lumber Company No. 28 is a preserved 2-8-0 “Consolidation” steam locomotive that was originally operated by the United States Army Transportation Corps. It is one of three survivors out of over 1,500 General Pershing locomotives built in 1917 for the War Department in World War I, originally numbered 396.
Red pine (North America) (Pinus resinosa) Scots pine, red pine (UK) (Pinus sylvestris) White pine. Eastern white pine (Pinus strobus) Western white pine (Pinus monticola) Sugar pine (Pinus lambertiana) Southern yellow pine. Loblolly pine (Pinus taeda) Longleaf pine (Pinus palustris) Pitch pine (Pinus rigida) Shortleaf pine (Pinus echinata) Red ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Design Values for Wood Construction, which is a supplement to the ANSI/AF&PA National Design Specification® for Wood Construction, provides these lumber design values, which are recognized by the model building codes. [17]
When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...