SOMETHING NEW.

FREE LECTU RE.
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s.si.# NtNaes FREE LECTURE. .fsf haaEs..# &


PROF. PORTER, (from the city of New
YORK, , would respectfully inform the Ladies
and Gentlemen Of Washington that he will
Lecture on Monday aud Tuesday, October l9
and 20, at the Apollo Hall, on New SYSTEM
OF ARITHMETIC AND MATHEMATICS. BY this
system, all of our business calculations are
performed by ONE RULE ONLY. Prof. P. will
solve problems on the black board under the
various rules used in merca anile and mechani-
cal transactions, thereby Grabbing the audience
10 Judge Of its merits. The lecture will COM
mence al O'Clock. Admission free.


Oct 1915 ,t. .t.H M u .