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Harper's Weekly 01/08/1876
RAPID
ADDITION!
Wonderful Invention!
ART of Adding Figures
from Left to Right:
or from Middle either
way: or Six Columns at
one time! Done as Quick
as Thought! Sent to any
Address on receipt of Price, 50 Cents.
Agents Wanted.
Post Office Box 1, 149.
WILLIAM FURNISS,
Batavia, N. Y.
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