The works of Francis Bacon, lord chancellor of England.

CONTENTS. Xv
Page Page
MISCELLANEOUS TRACTS, (translated from Of the variety of the bodies which yield
the Latin.) sound; and the instruments; and of
The Ebb and Flow of the Sea.......... 523 the species of sounds which occur. 540
The Alphabet of Nature................... 530 Of the multiplication, majoration, diminuCatalogue of Bodies attractive and not attractive 532 tion, and fraction of sound........... 540
Inquisition of the Conversion of Bodies...... 533 Of the repercussion of sounds and echo..... 541
The Masculine Birth of Time.......... 533, 534 Of the consents and dissents of audibles and
The History and first Inquisition of Sound and visibles, and of other so called spiritual
Hearing..............~.......e........ e535 species........................... 541
Of the generation of sound, and the first Of the quickness of the generation, and expercussion......................... 535 tinction of sound, and the time in which
Of the lasting of sound, and its perishing and they are effected.................... 543
extinction......................... 537 Of the affinity, or non-affinity, which sound
Of the confusion and perturbation of sounds 537 hath with the motion, local and perOf the accessory aids and impediments of ceptible, of the air in which it is carsound; of the stay of sound; and the ried................... 543
diversity of mediums................ 538 Of the communication of the air percussed
Of the penetration of sounds............. 538 and elided with the ambient air, and
Of the carriage of sounds, and their direction or their spirits. 544
or spreading; and of the area which
sound fills, together and severally.. 539 INDEX.... o..., o.. 545