trong enough to throw a few drops of the liquid ten or fif- packing establishment, situated on the corner of Bank teen feet high, easily seen when the drops strike the enough perhaps, but it is necessary to provide for all and Riddle Streets, Cincinnati, Ohio. ceiling of the class room.… … in the following manner: Take a piece of ordinary glass tubingabout 5 mm. This sudden arrest of the velocity of the flowing centimeters from one end bend it toan angle of 100°, liquid illustrates the principle of action of the hydrau- and five centimeters farther to an angle of 90°. Draw lic ram.…
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