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John Merrill
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Individual
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Individual
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Publication of GB190801122ApublicationCriticalpatent/GB190801122A/en
1122. Merrill, J. Jan. 17. Water-waste preventers, automatic siphon-discharge. The siphon is b@nt as shown, and is fitted with an external by-pass E perforated at H', During the filling or the cistern, water passes through the hole H<1> and along the branch E, and seals the bottom of the branch B of the siphon. When the water rises above the hole H, the air in B is compressed until the pressure is sufficient to blow the seal in the by-pass, when siphonic action is set up. Specification No. 12,508, A.D. 1890, is referred to.