1914 Helps for roofers and sheet metal workers (1914)
L.D. Berger · L.D. Berger · leaf 136
TRANSFORMATtON TRANSFORMATION nm RECTANGULAR TO ROUND frOM S9UARE TO ROUNa L. D. BEROER. PHILADELPHIA, PA. iis THREE AND FOUR-WAY BRANCHES. … THREE-WAY BRANCH.Outlets in same plane FOUR-WAY BRANCH.Outlets.In same plane. L. D. BERGER, PHILADELPHIA, RA. Special Side Wall Re^fister. For uxe in Base-board.For (hallow Flues and (hin Partitions.
Roofing · Sheet metal roofing · Sheet metal flashing and trim · Gutters · Metal-framed skylights · Finials · Weathervanes · Cornices · Heating stoves · Dampers · Diffusers · Registers · And grilles
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