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|