96 S Y L V A BOOK in 



uses ; where that most industrious and curious searcher 

 into nature, describes to us whence woods are soft, 

 fast, hard, apt to be cleft, tough, durable, &c. Lastly, 

 19. Concerning squar'd and principal timber, for 

 any usual buildings, these are the legal proportions, 

 and which buildings ought not to vary from. 



In. In. 



Summers 

 or girders 



/F. FA 



114 1 6 I in length, I 1 1 

 I 1 8 to 20 I must be J 1 3 & 

 1 20 23 [ in their ] 14 



*.( 



'Feet> 



i 4 



I in length 

 must be 1 



iln. In.\ 

 8 - 31 

 7 & 3, 

 6 3 



<7/ \ / \ 



"N Wall -plates and beams /In. In. 

 . I of any length, from J 7 5 

 [15 foot, may have in 1 10 & 6 

 ' J their square I 8 6 



Pu / 1 ^{f S to l8 F i 

 from 



(18 2ii 



in length, must 

 have in their 



square V 12 9 



9 8 



& 



Principal I \^\ 14^ 

 rafters J 

 cut 



in length [ 

 ! must have | 

 in their 



? square on 

 taper |2ii 24^ ; ., I 12 



T; I one side I 

 from \24^ 26y \ 9 



ln ' ln '\ 



J 



7 the 



'V, -< 



10 to 8 other 



\ 





(*}**(_ 



K m" 6 H ha r 



flengthl >* 1 





IQi their I 

 jsqu. (S'+l 



T> i j- u ( Foot 



Principal dischargers I 



of any length from J 



" V upward 



must have ( In. 

 in their < 

 square ( 



In. In. \ 

 13 12 I 

 1613) 



But carpenters also work by square, which is i o foot 

 in framing and erecting the carcase (as they call it) of 

 any timber edifice, which is valued according to the 

 goodness and choice of the materials, and curiosity in 

 framing ; especially roofs and stair-cases, which are of 

 most charges. And here might also something be 

 added concerning the manner of framing the carcases 

 of buildings, as of floors, pitch of roofs, the length of 

 hips and sleepers, together with the names of all those 

 several timbers used in fabricks, totally consisting of 



