the ecliptic, and draw a line around the movement of the pole, back and forth, all the other somewhat similar in principle, but with material modifi- the globe midway between these points to represent the parts of the carriage preserving their relative position. cations in the mechanical… … makes in a given time, and of when the pole is drawn forward course to alter the rate at which DUTCHER’S SELF-ACTING BRAKE. the wheels are relieved of the pressure of fhe brakes, while, the watch runs. For convenience of moving the pin, g, along the spring, it is placed in a when the wagon rans…
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