From W. McC artney, Esq,, Professor of Mathematics, Lafay ette College. ,, rp, EASTON, January 7, 1845. Mr. Ticknor :D earS ir: I have looked over some of the proof-sheets of your treatise on A rithmetic, and am pleased to observe that you have introduced many practical examples in illustration of the rules. Your book is well adapted to those who desire a practical work on the subject, and is full in details and illustrations for those who are commencing the study of this science. Practical books are the kind adapted to the business transactions of the acre. Very truly, yours, c. w. McC artney. From D. P. Yeomans, Professor of Chemistry and Principal of theM odelS chool in Lafayette College. Easton, February 1, 1845. I have examined the work entitled the Columbian Calculator, by Mr. Ticknor, and deem it well adapted as a work on practical Arithmetic for use in common schools. The numerous examples employed to illustrate principles, will render it, in the hands of competent instructors, peculiarly valuable, to both the student and the man of business. D. P. YEOMANS. From N. Olmstead, Teacher of a Public School in Easton, Pa, Mr. Ticknor :- February, 1845. Dear Sir :F rom a pretty thorough examination of your system of A rithmetic, I can say without hesitation, that in my opinion it is decidedly superior, for the use of common schools, la any now in use. The currency of our country, in every system of A rithmetic, should be of paramount importance; and ir this respect, I think your system may challenge competition. Yours, c. NICHOLAS OLMSTEAD. Entered, according to A ct of Congress, in the year 1846. by Almon Ticknor, mthe Clerk sO ffice of theD istrict Court of the United States for theE astern District of Pennsylvania. STEREOTYPED BY REDFIEL ti SAVAGE, NEW YORK.
(Typographical errors above are due to OCR software and don't occur in the book.)
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