Cotton seed hulls constitute about half the weight of the ginned seed.
The requirements of an elongate body moving through the resistant medium of water are met by the evolution of similar entrant and exit curves, and the bodies of most swiftly moving aquatic animals evolve into forms resembling the hulls of modern sailing yachts (Bashford Dean).
The eerie hulls of burnt-out cars up the road had been creepy even to Brady.
For a long time these shells or hulls, as they are called, were burned at oil mills for fuel, 22 tons being held equal to a cord of wood, and 43 tons to a ton of coal.
Of seventy-five hits on the hulls of the ships only five can with certainty be ascribed to projectiles from rifled guns, and thirty were unquestionably due to the old smoothbores, which were not provided with sights.
It was not long, however, before the stock-feeder in the South found that cotton seed hulls were an excellent substitute for hay.
The hulls thus burned produced an ash containing an average of 9% of phosphoric acid and 24% of potash - a very valuable fertilizer in itself, and one eagerly sought by growers of tobacco and vegetables.