The pilot of the Cessna 195 stated that after a normal landing, he utilized the rudder and aileron controls to align the airplane with the runway. The airplane began to drift to the right, and the pilot began to apply some brake pressure to maintain directional control. The tail of the airplane began to rise off the runway surface, the spinner and propeller contacted the runway, and the airplane nosed over. The airplane sustained substantial damage to the vertical and horizontal stabilizers, rudder, elevator, and firewall. The pilot reported that he did not experience any mechanical anomalies during the accident; however, he noted that the brakes on accident airplane were normally "touchy." Winds reported at an airport located about 27 miles southeast of the accident site, about the time of the accident, were variable at 5 knots.