d as shown in Fig. 1, form a line has been made. When the ruler arm is set at only necessary to place the indicator in position and groove in which slides a wedge-shaped key, the key right angles to the rack bar, it will move with each count the strokes upon the bell as the eye follows the being… … ing and carriage-feeding devices are mounted. A THE WEISS DOUBLE SPEED ALARM INDICATOR. printing disk and index ■77heel are pivoted for horizon- tal movement in unisot; in either direction in a casing of teeth for which the take-up has been set, thus per- the pressure against the shaft is reduced…
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