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Max Bernstein
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Individual
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Individual
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12,574. Bernstein, M. June 16. Stoppers.-The bottle neck is screwed to receive the cap b, the top of which is hemispherical and is formed with an outlet c. A washer h, which may be strengthened by a collar i, rests on the mouth of the bottle, and forms a seat for the ball valve f, which is held on the seat by the cap b. The valve f is formed with a central outlet passage d, and is provided with an operating-lever g. The bottle is opened by rotating the valve until the passage d is vertical.
GB189912574D1899-06-161899-06-16Improvements in Stoppers for Bottles.
ExpiredGB189912574A
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