Durable Douglas Fir

Durable Douglas Fir

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This 16~foot Douglas Fir pipe line, built in connection with the California~Oregon Power Com~ panya#39;s hydro-electric ... Unlike steel and concrete pipe, Douglas Fir wood pipe retains its carrying capacity indefinitely vibration can be almost ... Outside Walls Ofler Advantages For outside walls, Douglas Fir offers the advant- ages of strength, and ability to hold paint and nails. The great strength of Douglas Fir siding is often called into full play in the building of summer cot- tages, farmanbsp;...

Title:Durable Douglas Fir
Publisher: - 1937*


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