TABLE OF CONTENTS. 
NUMBER 1.—JULY. 
Page 
On the Fundamental State of the Magnetic Phenoniena of the Electrical 
Connecting Wire. By M. Prechtel, Director of the Polytechnic Insti- 
RApaNVicnHs. CVV ita bldtes)siscrcccsscccacs slice ecenee tale ce os i! 
Account of the Weather during the Three Winter Months of 1821, and 
1822, kept at Jasmond, Newcastle-upon-Tyne. ByN.J.Winch, Esq. 6 
Meteorological Register kept in St. Petersburgh from 1772 to 1792, and 
FedGrand 18sOr ee by MIIsWUONZOMIG sscnesccccic ste cecsccctssccce cee 13 
On the Crystalline Form of Diaspore. By W. Phillips, Esq. FLS. &e. 
(With a Plate.)...... ain omer racle cietorayetereteisicisicisrsitie ste sie'elie's cee sete ticle 17 
On the Differences in the Annual Statements of the Quantity of Rain fall- 
ing in adjacent Places. By H. Boase, Esq. (With a Plate.)........ 18 
On Finding the Sines of the Sum and Difference of Two Arcs. By Mr. 
Hames Adams. - +(VWVith a Plate,). 12.2022 ccacecssessercescccecassece 21 
On the Use of Tincture and Brazil Wood in distinguishing several Acids. 
PRE Je. PAW SAAHGUGIN, wo, ep c es cece tes ssaltetecteeuserddercs 23 
Astronomical Observations. By Col. Beaufoy, FRS. ..........--0.e005 27 
Method for finding the Sum of all the Coefficients in the Expansion of a 
Mfoldinomial..--By-MroSz Jones i202)... + cteces ss sees sete tecesceacs 27 
On the Specific Gravity of Gases. By Charles Sylvester, Esq........... 29 
Extracts from the Journal of a Survey to explore the Sources of the Rivers 
Ganges and Jumna. By Capt. J. A. Hodgson............eeeeseeese 31 
On certain Substances which have been supposed to act as Acids and as 
Alkalies. By R. Phillips, FRS. L. & E. FLS. &c. 20.22... esceeceeee 53 
Analytical Account of Mr. Partington’s History of the Steam Engine.... 56 
———— Transactions of the Cambridge Philosophical So- 
ciety, for 1822. Vol. T. Part I]. .........sseeeceeee eeeeeceseeeeees 64 
Proceedings of the Royal Society, June 6, 13, and 20......seeeseeeeeee 64 
Geological Society, April 19, May 3,17, and June7 66 
Definition of a Straight Line. .......... Ap BRON ACIS CC CUCE DO OOCOC IEEE 71 
EG 2) UIT A i SR eAnonos Gem etre pisicreinitic ssl feces 71 
Remarkable Phenomenon, which occurred at sie June 15, 1821.... 72 
Analysis of the Aerolite which fell at Juvinas ......+++++++. Aseuasocabes 74 
Magnesian Minerals of Hoboken..........see+sseeereeeees Cosccccoseee 75 
Analysis of Sulphuret of Molybdenum .......2..sesesseeecesessereees 76 
Analysis of the Chromate of Iron. .........+eseeeesesescccecccscescees 76 
Progress of Mineralogy in America....+sseceesseseerseeeeses pereiniis sions 76 
recy Meat fOr ATEEING fas vipaiteeeiiasxiete ccc airs ss aj8 do's oe viele ehiivenraicts PG / 
