Philosophical transactions. Vol. 74, pp. 119-153. London: Lockyer Davis and Peter Elmsly, 1784. 4o (228 x 174 mm). Disbound. FIRST APPEARANCE of Cavendish's experimental prove that hydrogen ("inflammable air") and oxygen ("dephlogisticated air") when mixed in the proper proportions and fired, produce their own weight in water. Dibner Heralds of Science 42; Partington III, pp 329-335; Norman 420. -- CAVENDISH. On the Conversion of a mixture of dephlogisticated and phlogisticated Air into Nitrous Acid, by the Electric Spark. Offprint from: Philosophical Transactions. N.p. n.d. [London, 1788]. 4o (240 x 199 mm). Disbound. Provenance: Dr. Charles Singer (bookplate). FIRST SEPARATE APPEARANCE. Partington III, pp. 338-343; Norman 421. -- CAVENDISH. "Experiments to determine the Density of the Earth." In: Philosophical Transactions 88, part I, pp. 469-526. London: Peter Elmsly, 1798. 4o (274 x 215 mm). 2 engraved folding plates. Contemporary calf, spine elaborately gilt (joints cracked). Provenance: Johannes Douglas (bookplate). FIRST APPEARANCE. Norman 422. [Bound with:] Benjamin THOMPSON, Count Rumford. "An Inquiry concerning the Source of the Heat which is excited by Friction." In: Philosophical Transactions 88, part I, pp. 80-102. London: Peter Elmsly, 1798. Engraved folding plate. FIRST APPEARANCE. Dibner Heralds of Science 151; Norman 2073. (3) " /> CAVENDISH, Henry (1731-1810). "Experiments on air." In: <I>Philosophical transactions.</I> Vol. 74, pp. 119-153. London: Lockyer Davis and Peter Elmsly, 1784. 4<SUP>o</SUP> (228 x 174 mm). Disbound. FIRST APPEARANCE of Cavendish's experimental prove that hydrogen ("inflammable air") and oxygen ("dephlogisticated air") when mixed in the proper proportions and fired, produce their own weight in water. Dibner <I>Heralds of Science</I> 42; Partington III, pp 329-335; Norman 420. -- CAVENDISH. <I>On the Conversion of a mixture of dephlogisticated and phlogisticated Air into Nitrous Acid, by the Electric Spark.</I> Offprint from: <I>Philosophical Transactions.</I> N.p. n.d. [London, 1788]. 4<SUP>o</SUP> (240 x 199 mm). Disbound. <I>Provenance</I>: Dr. Charles Singer (bookplate). FIRST SEPARATE APPEARANCE. Partington III, pp. 338-343; Norman 421. -- CAVENDISH. "Experiments to determine the Density of the Earth." In: <I>Philosophical Transactions</I> 88, part I, pp. 469-526. London: Peter Elmsly, 1798. 4<SUP>o</SUP> (274 x 215 mm). 2 engraved folding plates. Contemporary calf, spine elaborately gilt (joints cracked). <I>Provenance</I>: Johannes Douglas (bookplate). FIRST APPEARANCE. Norman 422. [<I>Bound with</I>:] Benjamin THOMPSON, Count Rumford. "An Inquiry concerning the Source of the Heat which is excited by Friction." In: <I>Philosophical Transactions</I> 88, part I, pp. 80-102. London: Peter Elmsly, 1798. Engraved folding plate. FIRST APPEARANCE. Dibner <I>Heralds of Science</I> 151; Norman 2073. (3) | Christie's