d miles, recording at the average rate of a mile ed the unit wheel, which holds the lever normally in the position shown in four seconds, without showing the slightest evidence mounted on a cen- in Figs. 1 and 3. When from wear of the brake shoes of wear, and the same instrument was run backward… … it is but a matter of a moment to apply the instrument to a wheel, and its dialcan be read ata glance from the saddle. The figures inside the OO +O Oe ring indicate miles, steam pressure and water line, and hence The New York Botanical Garden, measured by the yellow the water in the trap at once…
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