Douglas Fir Ship

Douglas Fir Ship

4.11 - 1251 ratings - Source

Arch knees to be fastened to sternpost and rudderpost with about ten 1%-inch bolts driven from outside over clinch rings. ... The last streak of clamps to ... for sister keelsons, will be fastened to each frame with four 1-inch headed driftbolts 18 inches long and edge-bolted to keel with one 1 by 36 inch bolt every second frameanbsp;...

Title:Douglas Fir Ship
Author:United States Shipping Board Emergency Fleet Corporation
Publisher: - 1917


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