Variable time fuse revealed as potent U.S.

Variable time fuse revealed as potent U.S. secret weapon FuseseMade In Various Sizes For Use In Navy Guns (See Master Caption). The variable time fuses were made in various sizes for use in different types of U.S. Navy guns, and makes possible maxim results at the split-second speed demanded by modern antiaircraft fire. A variable time fused projectile explodes automatically when it reaches a pont where its fragments can shower a target. When the gun is properly directed, all a gun crew has to do is load and fire.