8 94 Lord- mahon’s Method of fecuring, 8cc. 
§21. In moft houfes it is neceffary only to fecure the 
floors ; and that according to the method of j Ingle 
under flooring defcribed above, in § 2, 3, 4, and 5. The 
extra- expence of it (all materials included) is only about 
nine pence per fquare yard, unlefs there fhould be parti- 
cular difficulties attending the execution, in which cafe 
it will vary a little. When quick lime is made ufe of, 
the expence is a trifle more. 
The extra-expence of the method of extra-lathing is 
no more than fix pence per fquare yard for the timber 
fide-walls and partitions ; but for the cieling about nine 
pence per fquare yard. No extra-lathing is neceffary in 
the generality of houfes. 
§ 22. I purpofe giving to the world, before it is very 
long, a detailed account of many other experiments I 
have made upon this fubjedt, and of the various advan- 
tages arifing from my method, with feveral particulars 
relative to the different parts of each of the methods 
above defcribed, and relative to their joint or feparate 
application to different kinds of buildings, and to the 
different conftituent parts of an houfe ; to which I Ilia 11 
add a full explanation of the principles upon which they 
are founded, and the reafons for their certain and fur- 
prizing fuccefs. In the mean time I have taken the 
liberty of troubling the Society with this fhort account. 
