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chapter:
INTRODUCTION
CHAPTER I: THE ORIGIN OF THE DWELLING HOUSE
CHAPTER II: ON THE PRIMORDIAL SUBSTANCE ACCORDING TO THE PHYSICISTS
CHAPTER III: BRICK
CHAPTER IV: SAND
CHAPTER V: LIME
CHAPTER VI: POZZOLANA
CHAPTER VII: STONE
CHAPTER VIII: METHODS OF BUILDING WALLS
CHAPTER IX: TIMBER
CHAPTER X: HIGHLAND AND LOWLAND FIR
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Table of Contents:
BOOK I
BOOK II
BOOK III
BOOK IV
BOOK V
BOOK VI
BOOK VII
BOOK IX
6. A wall is called isodomum when all the courses are of equal height; pseudisodomum, when the rows of courses do not match but run unequally. Both kinds are strong: first, because the rubble itself is of close texture and solid, unable to suck the moisture out of the mortar, but keeping it in its moist condition for a very long period; secondly, because the beds of the stones, being laid smooth and level to begin with, keep the mortar from falling, and, as they are bonded throughout the entire thickness of the wall, they hold together for a very long period.
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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