GEOMETRY.

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SPOTTISWOODE AND CO., NEW-STREET SQUARE

LONDON

NOTES ON EUCLID, USEFUL WORKING PROPOSITIONS AND MANY EXAMPLES.

BY

RICHARD A. PROCTOR,

AUTHOR OF CHANCE AND LUCK,' 'EASY LESSONS IN THE DIFFERENTIAL
CALCULUS,' 'THE GEOMETRY OF CYCLOIDS,' AND THE ARTICLES

6

ON ASTRONOMY IN THE ENCYCLOPÆDIA BRITANNICA'

AND THE AMERICAN CYCLOPÆDIA.'

'The work about the square on't.'-Shakespeare.

LONDON:

LONGMANS, GREEN, AND CO.

AND NEW YORK: 15 EAST 16th STREET.

1887.

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