Electromagnetic friction-brake more especially intended for the driving and change-speed gear of motor road-vehicles
GB119651A
Improvements in or relating to Electro-Magnetic Speed-changing Gear.
DE347661C
Electromagnetic change and reverse transmission, especially for motor vehicles
GB124862A
An Improved Speed-changing, Reversing and Braking Gearing.
US1282932A
Speed-changing and reversing gear.
CA189050A
Speed and reverse gear
GB120757A
Improvements in or relating to Electro-magnetic Clutches or Brakes more especially intended for the Driving and Change-speed Gear of Motor Road-vehicles.
GB119897A
Improvements in or relating to Electro-magnetic Friction-brakes more especially intended for the Driving and Change-speed Gear of Motor Road-vehicles.
GB118444A
An Improved Speed-changing or Reversing Gear.
DE320682C
Electromagnetic change and reverse transmission, especially for motor vehicles
US1238565A
Speed-changing, reversing, and braking gearing.
GB110020A
An Improved Speed-changing, Reversing and Braking Gearing.
