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A Letter of Mr. John Conyers, Citizen of London; the Author of the Hygroscope Described in Numb. 129; in Which Letter is Contained a Draught and Description of a Very Useful and Cheap Pump, Contrived by the said Mr. Conyers; a Trial of Which Was Also Made at the Repairing of the New Canal of Fleet-River in London, and Elsewhere
Philosophical Transactions (1665-1678)
Vol. 12 (1677 - 1678), pp. 888-890
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/101777
Page Count: 4