10 . Advertising Sheet, &c. 
|comprehensive view of the situation, construction, and all essential 
ANTHRACITE IRON. 
LITTLE & BROWN, 
OF BOSTON, 
Have published, an oni of the various Iron Works in the 
United States, at which Anthracite is employed as a fuel in the 
Smelting of Tron Ores, &c., by Prof. Waurer R. Jounson. This 
work embraces a sketch of the history of those efforts, which 
have at Jength been crowned with success, to render useful this 
most important production of our country, and gives a clear and 
circumstances of each establishment. ‘The composition, character, 
and beating power of several of the principal varieties of anthracite 
is also given. 
January, 1842. 
Associalion of American Geologists. 
This body holds its Third Annual pace at Boston, commencing on Monday, 
the 25th “ li 1842 
for the meeting in Boston 
pet i: Seunee sn ie M.D ts. 
Cuarces T. Jackson, F.G. 8. (rane) M. 'D. ye, he Secrvtary.” 
Prof. Enywarp secenadx, eh; 
Dr. Caan den ee sag erons Local Committee. 
r. 
. B. SrLLIMAN, a D., &c. to deliver the opening address. 
Notice to Agents of the American Journal of Science. 
Herearter one dollar per number is all that will be allowed on 
account, for numbers of this Journal returned in good order from 
agents, apcort by special ee 
al of Science and Arts, fr 
its nit to the ediak es time, can be had of the soar 
bers in numbers or bound. B. & B. Situimay. 
New Haven, June 23, 1841. 
Scale of ae on the Advertising Sheet for the American 
Journal of Science. 
15 lines or one third of a Page, fae ee 8 | oD 
aon 6 si aig bel - * - - 7 8 00 
- - 5 00 
out 8 “e the cover —15 hanes. old one third we page, - be 4 
= One half of a age ah S % 
One 3 00 
page, 
For every insertion after first, one the rr is pete 
must fag ipa se Sede ts of insertions. 
-— 
be ip 
* 
