pos- When sufficient proficiency has been obtained in by the same: brake handle to which the ordinary chain- sible to dispense with the tape and to translate the receiving messages from the sounder, the student can brake is attached, and available for use at any time. message directly from the… … its periphery with teeth. A spring con- of an eccentric, B, which is mounted on the ‘tact adjacent to the wheel engages the axle, and, of course, is in constant oper- means of the key which forms part of the apparatus. ation when the car is running. The brake cylinder, D, peripheral teeth of the…
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