Scholten, John A. <br/><br/>
Built-up wood columns conserve lumber : tests indicate that columns composed of odd-sozed sticks fastened together may have 75 or 90 per cent the strength of solid timbers-various types of fastenings 

 - Madison  Department of Agriculture. Forest Products Laboratory  1931 
 - <21 h.>  ilus. 
<br/><br/> Contiene: Test of built-up wooden columns -- Built-up wooden columns. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MADERA DE CONSTRUCCION<br/>COLUMNAS
<br/><br/><label>Dewey Class. No.: </label>MAD/0448  / MADERAS