000 00818nam a2200217Ia 4500
001 BCA161400
007 ta
008 200919s1931||||xx |||||||||||||| ||und||
040 _aBCA
041 _aeng
043 _cUS
082 _aMAD/0448
_bMADERAS
100 _aScholten, John A.
245 0 _aBuilt-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
260 _aMadison
_bDepartment of Agriculture. Forest Products Laboratory
_c1931
300 _a<21 h.>
_bilus.
520 _aContiene: Test of built-up wooden columns -- Built-up wooden columns.
650 _aMADERA DE CONSTRUCCION
_961570
650 _aCOLUMNAS
_968474
942 _cBK
_e19980226
_f19506
_zREP
999 _c176942
_d176942