THE GREATEST ACHIEVEMENT IN BUILDING CONSTRUCTION IN A CENTURY OF PROGRESS ENTERLOCKING FABRICATED BUILDING LUMBER

The climax of many years of coordinated resea,rch by architects, engineers, build. ers and lumbermen. It keeps lumber in the leading place as a building material and puts it far in advance with reference to mdern attempts to supply better buildings at lower cost. Enterlocking Fabricated Building Lumber offers advan. tages to lumber dealer, carpenter and owner!

1. It wilt reduce the rrin place in the building" cost joints) wedge the framing parts together, stifiening the because it eliminates waste lumber and freight paid on structure, making it positively certain that the framework waste lumber-the most economical and yet the right of the building will be of sturdy construction. t'"*-:f ^I:!*..f.f;',,:!",q":P-:: ,Tjj"*1,to^:h."ff";t-: 3. commands greater roan confidence because of the i-5:q: "Tf-"t-::"11q -"--p'" ^':::^,"":- :1-^T."^ J-":T quality of the luiber and the unusual permanence of ;::f;ill .'il';"?$l *f'::"ff".-T:'#'fl i?-tl?"rf i"""ill *:":t'0" construction due to the enterlo&ing joint rea'

2. Makes a stronger and better building because there is but one grade of this material-the right one for the particular use-and properly sg4setrsd-$lsngth requirement of each piece is assured by careful selection at factory-joists; studs and all other parts are sawed to precise length and Equaaeness so that the loads and stresses are equally distributed, assuring rigidity and avoiding structural settling of the building<nterlocL- ing joints (modern and improved mortise and tenon

Enterlocking Fabricated Building Lumber is manufactured of Durable Douglas Fir by the Long-Bell Lumber Sales Corporation at Longview, Vashington, under the Laughlin patents, a system of production of standard parts on especially designed machines which give high precision. ft is distributed through the regular established channel for distribution of building mglspi3t-1hg retail l"nber dealer.

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