BUILDINGS IN INDIA. 383 



We remove beams when rotten without injury to the terrace. 

 The wall-hold is generally six inches less than the thickness 

 of the wall. 



8th. In the thickness of the wall, resistance to heat is not 

 considered. Strength is alone considered. We cannot, as I re- 

 marked before, use any bond limber or ties of any kind on 

 account of the destructive vermin. 



The bricks contain much sand, salt, alkali, and other fusible 

 matter, and will vitrify before they are well burnt. 



You have seen many walls thicker than the dimensions I 

 have given, but those are built with brick and mud, and having 

 no cement require to be thicker. 



9th. If you begin your work early, so that it will be com- 

 pletely dry, it will resist any frost, but if any moisture remain 

 within, the frost will rend the work. 



10th. Add a little strength to your timber, make the para- 

 pet low, take care before a thaw to throw off the snow, keep 

 the spouts open, and it will sustain double (or more) the weight 

 you mention. 



1 1th. The floors the same as the roof, but a little lighter, and 

 not so much cove. 



12th. Stick to the common and ancient rules of architecture 

 in all cases; but doors and windows, make them much larger. 



13th. Water cement is made of brick dust, lime, and the 

 juice of the sugar cane. The Madrass plaister is as I before de- 

 scribed ours. 



14th. Stone lime is cheap and used for common purposes, 

 -hell lime is dear and only used with fine work ; I believe it 

 is no better than your own. 



15th. No further than I have before described. 



16th. These facts do come within my knowledge, and are 

 true. It forms a crust impervious to water, and must protect 

 any thing it covers. When dry, it will keep a ship afloat after 

 her caulking is perished and loose. 



Much oil is saved in making this article by bestowing labour 

 on the beating and mixing of it. 



17th. Where manual labour is an objection I have stated it. 



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