THE
EDINBURGH ENCYCLOPÆDIA ;
CONDUCTED BY
DAVID BREWSTER, LL.D.
F.R.S. LOND. AND EDIN. AND M.R.I.A.
...
WITH THE ASSISTANCE OF
GENTLEMEN EMINENT IN SCIENCE AND LITERATURE.
IN EIGHTEEN VOLUMES.
EDINBURGH :
PRINTED FOR WILLIAM BLACKWOOD ;
AND JOHN WAUGH, EDINBURGH ; JOHN MURRAY ; BALDWIN & CRADOCK ;
J. M. RICHARDSON, LONDON ; AND THE OTHER PROPRIETORS.
M.DCCC.XXX.
Broadwood's Temperament of the Musical Scale
Character of keys
Euharmonic Organ
Farey's Temperament of the Musical Scale
Isotonic system of Temperament
Piano-forte
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