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PRINTED FOR THE AUTHOR, AND SOLD BY G. G. AND J. ROBINSON, PATERNOSTER-ROW.

M.DCC.XCIX.

1

TABLE OF CONTENTS

TO THIS SECOND VOLUME.

APRIL 1798.

1.

A MEMOIR and new Experiments on the artificial Cinnabar of Mr. Kirchoff. By the Count Apollos de Moullin Pouschkin, Chamberlain to his Majesty, the Emperor of all the Russias, Vice-President of the College of Mines, Honorary Member of the Imperial Academy of Sciences at Petersburgh, &c. &c.

page 1.

Inconveniences of the present method of manufacturing cinnabar. Annotation describing that

method. New process in the humid way, by trituration of the black sulphuret of mercury in an heated solution of potash. Chief difficulty of this process. Experiments to ascertain the nature of the process, and to render it certain in the large way. Beautiful cinnabar resembling carmine. Instructions to manufacturers.

II. On the luminous appearance said to be exhibited by Phosphorus in azotic

Gas. By Dr. Alexander Nicholas Scherer, Counsellor of the Mines to his

Serene Highness the Duke of Saxon Weimar History of Goettling's observations and theory of phosphorus shining in azote. Investigations of

the fame fubje&t by various German chemists and others.

p. 8

III. On Mr. Lazowski's new Barometer, or Weather-Instrument. By a

Correspondent

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Account of sounds emitted by a wire on change of weather. Attempts to verify the fact. Inquiry

whether the wire aded like Oswald's Æolian harp.

IV. Observations on Scylla and Charybdis. By the Abbé Lazzaro Spallanzani, Professor of Natural History, at Pavi, F, R. S. &c, Vol. II.MARCH 1799.

Ancient

p. 12

b

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