Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 23
the circumference of BO and B'C; CA and C'A'; AB and a circle and joined by consecutive A'B'; then are the points a, b, c, in the .straight lines in any order whatever, then same right line. The proposition is ex- will the three points of intersection of tremely general, the points may be taken the… … three points in a right line. No account is taken of the distance these figures are are there taken in the order ABCDEF, apart; no account is taken of the length of the sides, nor of the angles they make and joined by the six consecutive lines, AB, BC, CD, DE, EF, FA; the three with each other. Yet…
Engineering
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