The triangle

Part I. In Five Series Of Numbers

BY

THE INVESTIGATOR. ,

J^EW-TORK:

iPRINTED AND PUBLISHED FOR THE AUTHOR, Van WiQkle, Wiley, & Co., Printers.

Tll-DENFOUNQATIONS

1 900.

Slate of If en- York, sj :

BE IT REMEMBERED, that on the seventeenth day of May, in the forty-first year of the IndepeufJeiice of the United States of America, Van Winkle & Wiley, of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors in the words following, to wit : *' The Triangle. Parti In Five Series of Numbers. By The Investigator." In conformitt to the act of Congress of the United States, entitled, " An act for the " encouragement of learning, by securing the copies of maps, charts, and books, to the " authors and proprietors of such copies, during the times therein mentioned;" and also to an act, entitled, " An act, supplementary to an act, entitled, an act for the encourage- «' ment of learning, by securing the copies ol maps, charts, and hooks, to the authors and " proprietors of such copies, during the times therein iienMoned, and extending the " benefits thereof to the arts of designing, engraving, and etching, historical and other " prints."

THERON RUDD, Clerk of the Southern District of New- York.

Table Of Contents

FIRST SERIES.

Page- Dedication, -..-.---3

No. I. Tlie doctrine of Original Sin, as forming the first