TABLE XXI. 
Sizes of Single Rivetted Lacing Bars for channels of various depths and spaced at 
various distances. 
D = depth of clianne 1 , and d = distance between inner faces of channels. If the value 
of d lie between the values given, the size of lacing bars is to be taken from the column 
containing the next la iff cat value of d. 
D 
Sizes of Lacing Bars. 
d—D. 
d=i.7^ 
D. 
d=\.$ 
D. 
d=i. 
75 D. 
や 
D. 
4" 
ヤ 
ギ 
rx 
ず 
r X 
ゲ ， 
i"x 
成 , 
5^ 
rx 
ir 
r X 
oT 
rx 
Ä-X 
%• 
A ,y x 
^ X 
oT 
f ； x 
{V x 2 " 
Wx 
■h'x 
r 
^ X 
ず 
ふ ,, X 
丑 " X 
ず 
ず 
か 
iV X 
n 
ず 
r 
ホ 
ず 
Ä 7, x 
A /7 x 
rx 
ず 
io ¥ 
舟 ,, x 
ず 
r 
rx 
rx 
ダ ， 
11* 
r 
rx 
ir 
r x 
?r 
15^ 
rx 
sr 
rx ， 
