FIVE DOLLARS A YEAR.

WHOLE NO. 6Ia.

JUST PUBLISHED.
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u The third edition OF DOCTOR LARDNER's COM,
PLETE COURSE OF LECTURES delivered in the City
OF NewYork The subjects embraced in the Lectures
E!ectrciy-The Sun-Gavasisu,-TheFi1e Stars-Mag-
netic NeedIe-La,;ude and Longitrde-Bieaehng, Taa.
nng-Popuar Fallacies-Ligh,-FaiingS S,ars-Tempora-
y stars-Hisorical Sketch of Astronomy-Dew-Science
aided by Ar-SeentifS Observation-Disclosures Of
the Retna yoltac Batiery-Steam Engines OF Great Bri-
tain and America


This edition IS introduced by SKETCH OF THE
PROGRESS OF PHYSICAL SCIENCE, by THOMAS
THOMSON, NJ. D., R. s, l. E., &c. &c, Regius Pro-
fessor OF Chemistry in The University of Glasgow. This
splendid work, which elegantly writ,ea is Ia.
cidy arranged. embraces the following subjects INTRO
pucTosY REMARKs-MArHEMATIcs-Ar Geou,e.
try Agebra-Of Observation and Experiment Mechanics
-AslronomyO Opcs-Hy Hydrcs,a,ics, ,lc-Eleciriciy-aiag
etisu,-Cbemsuy-6ivng Historical Sketch and Gene.
raj Summary OF the Principles OF each of the foregoing
branches of Science. Price for the whole, including Lard
nes Lectures Is cents per single copy. Posnaster and
Others will receive FIVE copies tor 81 tS)