Show FIVE CLASSES OF TORPEDOES all equally deadly if only they hit the mark there are five classes of torpedoes the earl est form v as a stationary submarine mine usually exploded be neath a ship by actual contact such mines are still used for harbor de tense but sometimes they are fired by mechanical means from shore at the moment a hostile vessel is pass ing over them the spar torpedo also still used consists of an ex plosive charge carried at the end of a long spar in a boat s bows the craft being rowed close up to the doomed vessel arad the charge explode ed the towing torpedo as its name implies was towed along and ma neutered neu vered so as to explode underneath an enemy s vessel this kind being in turn followed by the true ing torpedo the whitehead now in general use the last form which need be noticed Is the brennan whose movements can be controlled from the shore |