6. ALLEN v. UNITED STATES, 164 U.S. 492, 17 S.Ct. 154, 41 L.Ed. 528 (1896), which the trial court in Diniero quoted to the jury, involved a variation on what has come to be called the “dynamite charge,” an instruction that is sometimes given in the principal charge but more frequently is given only to a jury that has been unable to reach a unanimous verdict for either party after a substantial period of time. In Allen this charge was given some time after the main charge. Its content was,