i TABLE OF CONTENTS. Vll 
o find the Scantlings of any Species of Timber sufficient to 
carry a weight, which shall be any given portion of the 
breaking weight, when the timber projects with one 
END HORIZONTALLY FROM A WALL XXviii 
?o find the Scantlings of Red Pine sufficient to carry a weight, 
PLACED IN ANY POSITION UPON THE SCANTLING, which Weight 
shall be any given portion of the breaking weight xxix 
)iAGRAMS, shewing the Pressures upon Brest-summers, Plates 
and Purlins plate, page xxxiii 
Jf the Pressures upon Brest-summers, Plates and Purlins, sus- 
taining loaded beams and rafters, inclined at given angles to 
the horizontal plane xxxiii 
Examples to the Third Series of Tables xxxvi 
A. Table, by which may be found the Scantlings of Red Pine 
Brest-summers and Purlins sufficient to carry, in the di- 
rection of the depth or greatest side, any given portion of 
the breaking weight xxxviii 
Examples to the same xxxix 
Note, on the Table No. 3 in Tredgold's Elementary Principles 
of Carpentry xl 
TABLES. 
Table of Constants, No. 1,— By which may be found the 
Scantlings of various Species of Timber, to have the same 
strength or deflection as those of Red Pine 
2 
