at of toxins. Alcoholic ex- and the other for the starboard, were tracts of the soil of a lucerne field built of 2%-inch pine planking. The exerted no injurious effect upon the framing was 3 x 3 x %-inch steel growth of lucerne and soil that had angles, set at 2-foot centers and bolted View Looking… … Exterior View of the Caissons. The Cassions Were Bnilt of Pine These Caissons Were Placed Against Ship's Side. The Water Was Pumped Planking Bolted to Steel Frames. Out, and Repairs to Propellers Made. CAISSONS BUILT TO TAKE THE PLACE OF A DRYDOCK.
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