Duplex Hanger Company · Duplex Hanger Company · leaf 5
IS … x> TEST No. I Af 2 it jr.- B and B, 2 u.by 10 ju > Ion ■ ith A It; oed in I of B and I mppoi U d on •D-l>, C-C, 2 in i»\ in.,in center of P» 500 l1 in oonltuned ai intervals, 500 Hiupto 6,000 Ibi when han «l nt in hoi i in., ofl moving strain the l woodsum ii< nn!ural m. At 7.850rain, w…
Joist hangers
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