Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 375
steel projec-tiles were used with guns of various calibres. The resultsof these trials appear to have been considered satisfactoryat the time, as were also the similar trials of St. Chamondduring April, 1884.^ The result of trials several 5^ears later, however, led toboth of these firms abandoning… … Fig. 4.—Hughes hollow stringer.not great, chilled cast-iron plates made a good defence. Inalmost every case the projectiles were broken up. The penetration was very slight, the surface at the pointsof impact being chipped off, and, as would be expected, thegeneral destructive effect upon the shield…
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