1 CONTENTS. 
ART. PAGE 
ii, An easy Method of computing the Time indicated by any 
Number of Chronometers, with the given Time at a Station. By the 
Rev. Fearon Fallows, M.A., F.R.S., Astronomer at the Cape of 
GoodsHopesaiconts Mar eb SUBSE MOMENTA. ET Mn ot apa 
iii, Easy Approximation to the difference of Latitude on a Sphe- 
roid y.5 fret eGNS * WP eee ae a ee se ee 
iv. Extract of a Memoir on the Theory of Magnetism, read at 
the Academy of Sciences, 2 Feb. 1824. By M. Poisson . . . . 317 
XIII. ANALYSIS OF ScrenTIFIc Books. 
i. Meteorological Essays and Observations. By J. F. Daniell, 
IBURAS.,, °" 3.\¥e00"s). ¢ ep ge deite hee ig ane is Otis Nc ps alles amas 
ii. A translation of the Pharmacopeia of the the Royal College of 
Physicians, 1824. With Notes and Illustrations. By Richard Phil- 
lips, F.R.S., Lon. and Ed. &e, &e. epee ow oy se BAD 
XIV. MIsceLLANEOUS INTELLIGENCE. 
I. MecHANICAL AND GENERAL SCIENCE. 
1. Adhesion of Nails in Wood. 2. Levels in London above the 
highest Water-mark. 3. On the comparative Advantage of Coke 
and Wood as Fuel. 4. Vicat on burning of Limestone or Chalk. 
5. On the Application of Muriate of Lime asa Manure. 6. Pre- 
paration of Caoutchouc. 7. Magnetic Intensity of a Chronometer. 
8. Influence of Magnetism on the Rates of Chronometers. 9. On 
the adaptation of a Compound Microscope to act as a Dynameter 
for Telescopes. By C. R. Goring, M.D. : : 360 
Il. Cuemican SciENCE. 
i. On a Reciprocity of insulating and conducting Action 
which the incandescent Platina of Davy exerts on the two Electri- 
cities. 2. On the magnetic Action of strong electrical Currents on 
different Bodies. 3, On Electro-motive Actions produced by the con- 
tact of Metals and Liquids. By M. Becquerel. 4. Measurement of 
the conductibility of Bodies for Electricity. 5. Distinctionof Positive 
and Negative Electricity, 6. Electricity produced by the Congelation 
of Water. 7. Hare’s Single Gold-leaf Electrometer. 8. Hare's Voltaic 
Trough. 9. Dobereiner’s instantaneous Light Apparatus. 10, Test 
