C « )
TABLE I.— continued.
CHAINS AND ROPES.
Material.
Absolute
Cohesion
not
Reduced.
Name
of
Experimenter.
Works where
given.
Chain Cable.
tons. cwt.
qr.
Bolt, 1} inch diameter ..
82
14
0
Brown.
Barlow’s Essay.
Bolt, English , full 1 £ ^inch diameter.$
96
15
0
do.
do.
Do. barely 1} inch.
90
0
0
do.
do.
88
16
0
do.
do.
Ropes.*
Cable, 2d rate, circum. I23 inch. [
No. of strands, 2,736 3
114
0
0
Navy Board.
Barlow’s Essay.
Do. 1st rate, 25 inch. )No. of strands, 3,240 5
140
0
0
Computed.
3d rate, circum. 22 inch. }No. of strands, 2,520 $
89
0
0
Navy Board.
Barlow’s Essay.
Cable, circum. 21 inch...
80
0
0
do.
do.
Do. ..do.19.
66
0
4
do.
do.
/ c
Do., .do.18.
63
0
0
do.
do. „
Do... do.14}.
40
0
0
do.
do. fjvirf jfc « t
Rope, circum. 4 .
4
19
0
do.
do. r
Do. 3}.
3
12
1
do.
do.
Do. 3 .
2
10
1
do.
do.
Do. 1 .
O
5
0
Computed.
h
8
3
9
• The reader should particularly observe that the circumference of the cables andropes are given ; in all the preceding part of the Tablei the section is a square inch.In the iron cables the diameter of the bolt is stated. —
Tl ~ tJ
/0 9 4 *.-'
X.
n •
*.(
H'
/(
'i -
i *<jy
a %f i
Hi* iP
2J