Show CUBA REVOLT RUMORS BRING MACHINE GUNS HAVANA March 7 Machine JP P Machine guns were placed hastily atop the palace roof today and the guard was redoubled as new rumors of revolt flew Part of the army and communists the rumors ran planned to 19 to join loin followers followers fol fol- fol lowers of former President Ramon Grau San SanMartin Martin in an attack on the palace Soldiers and police guards were doubled throughout the thc city Automobiles Auto Auto- Automobiles Automobiles mobiles loaded with sailors and soldiers soldiers soldiers sol sol- diers moved through the streets Au Au- and pedestrians were searched |