Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 282
llowmasts which serve as ventilating shafts; the magazines are alsoventilated in a similar manner, and the circulation of air may beaccelerated by the action of exhausting fans fitted for the purpose. The cost of the hull was not far from £300,000. The Turrets of the Monarch are 26J feet in… … Jas Mc ^uiSauini-Pl*- . II. B. J/. Iron- Clad Monarch^ 249 On tlie side in which the ports are cut, the outer plating is 10inches thick ; these phites are 19 feet long. The tuniits rest upon 32 conical rollers, bearing on a circularbed-piece fitted upon the main deck; they rise through the…
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