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CENTRE of an Ellipsis

CENTRE of an Ellipsis

CENTRE of an Ellipsis

Selection Mathematics

ABACUS
CENTRE of a Conic Section
CENTRE of Gravitation
Numerous ARITHMETIC
ÆGILOPS
CENTRE of Oscillation
Binary ARITHMETIC

Popular Mathematics

ANGLE
ALTITUDE
ABSCISSE
ABACUS
CIRCLE
TRIANGLE
ARK

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Chambers' Cyclopædia
To the King
Preface
View of Knowledge
A List of the Subscribers
Supplement (1753)
Encyclopedia of Diderot
Rees's Cyclopædia
4th Edition (1741)