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

M.DCC.XCIX.

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 Mouffin Poufchkin, Chamberlain to

his Majefty, the Emperor of all the Ruffias, Vice-Prefident of the College

of Mines, Honorary Member of the Imperial Academy of Sciences at

Petersburgh, &c. &c.

page 1.

Inconveniences of the prefent method of manufacturing cinnabar. Annotation defcribing that
method. New procefs in the humid way, by trituration of the black fulphuret of mercury in an
heated folution of potash. Chief difficulty of this process. Experiments to ascertain the nature
of the procefs, and to render it certain in the large way. Beautiful cinnabar refembling carmine.
Inftructions to manufacturers.

II. On the luminous appearance faid to be exhibited by Phofphorus in azotic
Gas. By Dr. Alexander Nicholas Scherer, Counsellor of the Mines to his
Serene Highnefs the Duke of Saxon Weimar
p. S
Hiftory of Goettling's obfervations and theory of phofphorus fhining in azote. Investigations of
the fame fubject by various German chemists and others.

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

Correfpondent
p. 11

Account of founds emitted by a wire on change of weather. Attempts to verify the fact. Inquiry
whether the wire acted like Ofwald's Eolian harp.

IV. Obfervations on Scylla and Charybdis. By the Abbé Lazzaro Spal-

lanzani, Profeffor of Natural History, at Pavi, F. R. S. &c,

P. 12

Ancient