Author: DAY (Alfred)

Description

(_O r) DAY (Alfred). A 1’iew exposition of the system of Euclid’s Elements, being an attempt to establish his work on a different basis, by a new derivation of the doctrine of proportion, and an analytical examinatioriof the nature of a converse proposition, and the doctrine of identity, containing...a demonstration of the theory of parallels, as enunciated in the celebrated 12th axiom) and a demonstration of the 47th of the 1st, without the aid of that theory. pp. 91. [De It.] 12°. London and Bristol, 139.

Card ID: 6

Author: DAY (Alfred)

Description

L—° - DAY (Alfred). A Treatise on proportion, with vie to a fundamental alteration in the method of teaching the elements of geometry, and the simplification of that part of it known by the title of the theory of parallels, in which is shovm how Euclid’s fifth book may be treated gruphically, and the deuLonstrations at once conveyed to the eye of the learner without the use of algebra. pp. 84. Folded plates. [Dc M•] 120. London and Bristol, 1840.

Card ID: 7

Author: DAY (Alfred )

Description

M ‘) i DAY (Alfred ). See JACOBI (Erwin R.) Die Entwieklu.ng der Musiktheorie in England nach der Zeit von Jean— Philippe Rameau. (Faksimile— Ergänzungsband zum zweiten Teil: A Treatise on harmony, by A.Day... 1845. Part II. Chromatic harmony, Strassburg, 1957—60.

Card ID: 8