Model of Positive Power Brake System
Chamberlain brake in a cycle hub
1903-1906
U shaped sprag
Pig tail scotch, c.1960
Shooting Brake
1825-1875
Trailing brake
Hydrokinetic brake from APT-E
1972
Westinghouse quick acting brake
Concord Brake Fan Debris Guard
Plotter frame brake (mid stage)
1862
Plotter frame brake (mid stage)
1862
Fragment of wheel brake
1900-1950