(Peter), an eminent Florentine painter of night-pieces and battles, was employed to paint the Vatican. He also painted portraits, and wrote on arithmetic and geometry. He died in 1458.

**FRANCFORT on the Main**, an Imperial and Hanseatic town of Franconia in Germany, where the emperors were formerly elected. It is a handsome, strong, and rich place, and has a great deal of commerce. Here the golden bull is preserved, which is the original of the fundamental laws of the empire. It is seated in a fine fertile plain; and well fortified with a double ditch, battions, redoubts, and ravelins. The streets are remarkably wide, and the houses handsomely built. It has great conveniency for carrying on an extensive trade with the other parts of Germany, by means of the navigable river which runs throughout it. The suburbs is called Saxon houfnen, and joined to the town by a stone bridge built over the Main. E. Long. 8° 40'. N. Lat. 49° 55'.