SOMETHING NEW.
{"newspaper_name": "The Columbian fountain.", "edition": "01", "page": "p2", "byline": "f3FREEaLEcTURE.i"}
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PROF. PORTER, (from the city Of N
York, } would respectfully inform the Lac
and Gentlemen Of Washington that he
Lecture on Monday aud Tuesday, October
and 20, at the Apollo Hall, on a New SYsr
OF ARITHMETIC AND MATHEMATICS. BY
system, all Of our business calculations
performed by ONE RULE Only, Prof. P. (,
solve problems on the black board under
various rules used in mercantile and mechs
cal Transactions, thereby enabling the audiel
10 Judge Of its merits. The lecture will ca
mence at O'Clock. Admission free.


Oct 1875, 434ta..3s 3g8.g,4.,