{"newspaper_name": "Washington telegraph.", "edition": "01", "page": "p4", "byline": ""}
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The publishers announce that DIR. lardEer nav
ing closed his professional tour as public lecturer
in this country. they have availed themselves ol
the opportunity of inducing him TO prepare Tor
publication complete and authentic edition OF ms
popalar Lectures on science. The general interest
which these discourses have excited for the last
four wears throughout the Union, manifested by the
continued assemblagc of audiences of unpreceden-
ted numbers aud respectabity in every part oi the
country from Boston TO New Orleans, and IRON
New York to ST Louis, afford the publishers good
grounds for the that they viii thus pre-
sent TO the American public an acceptable offering
and most useful manual Of general information.
They will also afford that large class of persons
who have attended these courses an agreeable
means of reviewing the impressions from which
thew have derived already so much pleasure and
profit.


The following is list OF subjects which will be
embraced in these Lectures:


The Solar system: the Theory of Gravitation:
the Moon. two lectures) the sun; the Planets; the
Plurality of Worlds the Comets, two lectures,)
the Existence and Attributes of God Dednced from
the laws of Nature; Popular Faliacies: Light;
Sound: Heat Electricity. (two lectures:) the Power
ofsteam; the Steam Engine; the Present state and
prospect of Steam Navigation in the u States aud
Great Britain: Railways: Gavanism. two lcctnres)
the Stellar Universe; Combustion and n tIficiil
IIlumination the Atmosphere. &c. &c. &c. &c.
Magnetic TeIegraphs; the Alliance of Science and
Art. Sc. SC. &c


No expense will be spared to render this work
useful and attractive. Wood engravings Illus
trating the text. will be copiously supplied. The
work will be printed type. in the octave
form. and will be published in parts or numbers, at
twenty-five cents each, and will be completed in
about ten or twelve numbers. The first number
will appear about the lst of May next. Agents
allowed liberal discount.


GREELEY & McELRATH,


Tribune Buildings.


New York. March, 1915.