tion, when the nozzle is turneddownward into the plug the ink duct is opened, andthe ink is forced into the nib by air pressure; but whenthe nozzle is turned upward the ink duct is closed, anda reversed suction takes place by which the ink iswithdrawn from the nib of both the pen and feeder.The… … THE CLIMAX FOUNTAIN FEN. matically sliding valve keeping the ink always in fineflowing condition, and the pen, when necessary, maybe washed without removing any single part, simplyby holding it, point up, under the open faucet. Patentshave been granted for this improvement in the UnitedStates and…
Patents · Kangaroo · Scientific American · Calumet · Trolley wire · Rapid fire · Paper feeding · East river · Cross beams · Type writing · Large number · Suspension bridges · Postal union
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