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chapter:
INTRODUCTION
CHAPTER I: THE FORUM AND BASILICA
CHAPTER II: THE TREASURY, PRISON, AND SENATE HOUSE
CHAPTER III: THE THEATRE: ITS SITE, FOUNDATIONS, AND ACOUSTICS
CHAPTER IV: HARMONICS
CHAPTER V: SOUNDING VESSELS IN THE THEATRE
CHAPTER VI: PLAN OF THE THEATRE
CHAPTER VII: GREEK THEATRES
CHAPTER VIII: ACOUSTICS OF THE SITE OF A THEATRE
CHAPTER IX: COLONNADES AND WALKS
CHAPTER X: BATHS
CHAPTER XI: THE
PALAESTRA
CHAPTER XII: HARBOURS, BREAKWATERS, AND SHIPYARDS
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Table of Contents:
BOOK I
BOOK II
BOOK III
BOOK IV
BOOK V
BOOK VI
BOOK VII
BOOK IX
6. Voice is a flowing breath of air, perceptible to the hearing by contact. It moves in an endless number of circular rounds, like the innumerably increasing circular waves which appear when a stone is thrown into smooth water, and which keep on spreading indefinitely from the centre unless interrupted by narrow limits, or by some obstruction which prevents such waves from reaching their end in due formation. When they are interrupted by obstructions, the first waves, flowing back, break up the formation of those which follow.
Vitruvius: The Ten Books on Architecture. Vitruvius. Morris Hicky Morgan. Cambridge: Harvard University Press. London: Humphrey Milford. Oxford University Press. 1914.
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