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Scotch
Christiania, Spruce..
Quebec
New England

Norway
Larch

1
1
1
3

.0003017

· 0002681

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13

..

.0007463
• 0007078

.0003704
·0003168

Barlow
Tredgold

Barlow
Tredgold

Mean
Tredgold

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•0005287
0006068

·0002939 ·0002520

0003596 0002392 .0003472 -0002895 .0002395 0004944 .0004562 .0004873 0003810 ·0002712 .0003441 .0004923 0003966 0004050 .0003330 .0003942 .0002239 0004447 .0003708 .0005378 ·0003527 *0002348 .0002661 .0003216 .0005663 .0004211 0001790 .0005161 . 0007627

Barlow
Tredgold
Ebbels
Mean
Barlow

1,201,340
1,806,000
1,244, 240
1,492,230
1,803,760

873,800
946,950

886,500
1,133,850
1,592,920
1,255,450

877,514
1,089,260
1,066,670
1,297,300
1,095,900
1,929,440

971,440
1,165,050

803,273
1,224,840
1,838,600
1,623,450
1,343, 280

762,850
1,025,880
2,413,410

837,050
566,409

.001863 ·001239 .001798 ·001500 .001241 .002561 ·002363 002524 .001973 ·001405 • 001782 .002550 • 002070 • 002098 .001725 ·002042 . 001160 . 002304 .001921 ·002786 • 001827 ·001216 ·001378 .001660 ·002933 ·002182 .000927 . 002673 .003951

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[blocks in formation]

Canadian
Adriatic

Dantzio
Pear-tree
Pine, Pitch

Red..

American
Plane-tree
Poplar, Lombardy
Sycamore

Ebbels
Barlow

•0003626

002566
.0002684

0003390
·0002177
0002637

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Tredgold
Ebbels

Teak ..

0001984

• 0001618

Walnut
Willow

Barlow
Ebbels
Tredgold

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[blocks in formation]

.9040

.9032

27,579,300

1.093

1.299
1.536

1.084
1.264
1.445

27,384,900
26,870,000
25,970,500

"Limit of Elasticity" = 1722 lbs.

(4)

(3)

“Limit of Elasticity" = 788 lbs. (2) (3)

TABLE 107.-Of the TRANSVERSE STRENGTH and

Cammel and Co.'s “Diamond " Steel : Bar 1.054 Inch Square.

Cammel and Co.'s

Chisel Steel:
Bar 0.994 Inch Square.

Weight

in Centre. Lbs.

By

Modulas of Experi- Calculated. Elasticity : Lbs. ment.

By

Modulus of Experi- Calculated. Elasticity: Lbs. ment.

•1058 27,262,900 • 2116 28,353,400 -3174 28,736,600 •4232 29,880,600 •5290 29,866,700 .6348 30,187,000 • 7416 30, 132,700 • 8464 29,672,200 .9522 29,234,100 1.058 29,210,000 1.164

29,435,800 1.217 29,534,800 1.270 29,398,600 1.375 30,223,700 1.481 29,534,800 1.534 29,610,000 1.587 28,788,400 1.693 27,858, 200 1.809 26,452,400 1.868 24,470,000 1.928 21,832,200 1.987 19,692,200 2.046 15,530,000

.141 • 268 •398 •522 .653 .804 •924 1.064 1:194 1.274 1:454 1.504 1.594 1.924 2.884 3.294

•1338 28,599,600 • 2676 | 30,093,500 • 4014 30,396,000 •5352 30,900,650 • 6690 30,877,000 .8028 30,093,500 .9366 30,549,500 1.0704 30,300,000 1.204 30,396,000 1.338 31,652,500 1.472 30,507,500 1.539 30,833,800 1.606 30,357,800 1.739 27,246,800 1.873 19,597, 400 1.940 17,759,800

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(2)

(3)

(4)

ED.

• 427

100 •117
200 .225
300 .333
400
500 .534
600 .632
700 741
800

.860 900 .982 1000 1.092 1100 1.192 1150 1.242 1200 | 1.302 1300 1.372 1400 1.512 1450 1.562 1500 1.662 1600 1.832 1710 2.062 1766 | 2.302 1822 | 2.662 1878 3.042 1934 3.732

(1)

(2)

Sunk with 1934 lbs.: Mr=7432 lbs. Calculated Limit of Elasticity" = 1457 lbs.

Sunk with 1450 lbs.: Mr=6644 lbs. " Limit of " Elasticity" = 1222 lbs.

[blocks in formation]
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