i 





PRODUCTION Ot^ 



Sect.XVIII. 2.6 



:> 



be kept dry, b 



alfo 



der it lefs inflammabl 



ihy attending to in the conftruaion of wood-built houl^ 

 ^■eive that beams fo impregnated would be lets liable 1 



mftance 

 s. 1 alio 



beams fo 

 and boards fo prepared lefs liable to 



O 



I 



the immenfe fait 



„„ „f Hungary m.ny hrge wooden props, which fupport the roof 

 d are perpetually moiacncd with ftlt-water tnckhng dowu them 



faid to h 



fufFered no decay tor many 



6 Woods alfo differ from each oth 



in 



their hardnefi 



or 



the 



fion of their particles, whence one kind of timber ha 

 £3^" ^. 1 /:j_„^,.„i.,ni. Others differ in th 



obtained th 



finenefs of 



polifh, wl: 



. Where 



name of iron-wood, fideroxyl 



planed 



thefe 



ftituent fibres, which fliew a beautifully fmooth 

 as rofe-wood, afpalathus. 

 properties of hardnefs and fmoothnefs exifl 



crether, as in box, buxus fempei 



the wood muft be peculiarly 



able for the purpofe of making wooden printing block 



fo 



managed at this time by Mr. Bewick of Newcaftle 

 Natural Hiflory of Quadrupeds and Bird 



his books of 



7- 



gany 

 fed 



Oth 



voods differ in their durability, as cyprefs, cedar, m 



are 



faid to be i.ndiftruaible by time 



by the depredation of 



The wood of the ced 



of Bermudas, Juniperus Berm 



marine infea 



d 



diana, in which black-lead pencils are inclofed, is faid not to be 



by either aerial, terrefirial 



the Weft Indies for building vefl^ 



trated by fea-worms 



w h of e 



The unperifhable chefts 



oms 

 whi 



thence ufed 



pen 



h 



E-yptian mummies, were of cyprefs, as well as the cofRns in wh 

 ., A.I -„:.......« f.\A K^r Thnrvdldes to have buried their hen 



the Ath 



faid by Thucydide 



The crates at St. Peter's at Rome, which had lafted from the time of 

 Confmntine to that of Pope Eugene the fourth, that is eleven hun- 

 dred years, were of Cyprefs, and had at that time fuffered no decay. 



Of thefe fome are believed to endure longer in water than oth 



as 



alder, betula alnus, and 



therefore efteemed preferable for p 



\ 



o-uard the banks of rivers. But Mr. Brindly, the condudor of 



I 



grand 



m 



^ 



b 



1 



^ 



■ 

 4 



