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571 OF ENGINEERING FOKMULÆ.
Table for Facilitating the Calculation of Tonnage
0. M. or Builders’ Tonnage. (By Oliver Byrne.)
Breadth of Beajn. Length to bo Multiplied by Constant, 1 Breadthj j.ength to be Constant, Subtract.
Subtract. Beam. Multiplied by
feet. feet. 219-8
1 •00532 '° i 41 8-94149
2 •02128 •0 1 42 9-38298 236’3
3 •04787 •1 43 9'83511 253-6
4 •08511 •2 44 10-29787 271-8
5 .•13298 •4 1 45 10’77128 290-7
6 •19149 •7 1 46 11-25532 3W6
7 •26064 ri | 47 11-75000 331’3
8 •34043 1-6 48 12-25532 352’9
9 •43085 2'3 49 12-T7128 375-4
10 •53191 3’2 1 50 13-29787 398-9
11 •64363 4’2 i 51 13-83511 423’3
12 •76596 5-5 52 14-3»298 448-7
13 •89893 7-0 53 14-94149 475’1
14 1-04255 8-T 51 15-51064 502-5
15 1-19681 10-8 55 16-09043 531-0
16 1-36170 13-1 56 16-6«085 560’5
17 1-53723 15-7 57 17-28191 591-0
18 I-7234Ö 18-6 58 17-89362 622'7
19 1•92021 21’9 69 18*51596 655-5
20 2’12766 25-5 60 19-14894 689-4
21 2’34575 29-6 61 19'79255 724-4
22 2'57447 3f0 62 20-446H1 760-6
23 2’81383 38-8 63 21-11170 798-0
24 3’06383 44-1 61 21-78723 836-6
25 3’32447 49’9 65 22-47340 876’4
26 3'59574 56-1 66 23-17021 917'5
27 3-87766 62-8 67 23-87766 959’8
28 4*17021 70-1 63 24'5957-1 1003-5
29 4-4V3I0 11-3 69 25•32447 1048-4
30 4-78723 86'2 70 26-06383 1094-7
31 5-11170 95-1 71 26'81383 1142-2
32 5-44681 104-6 72 27-57447 1191-2
33 5-79255 114-7 W 28-34514 1241-5
34 6-14894 125-5 74 29-12766 3293-3
35 6'51596 136'9 75 29-92021 1346-4
36 6’89362 148-9 T6 30-72340 1-101 -o 1457-0
37 7-28191 161-7 77 31’53<23
38 7-68085 175-2 78 32'36170 1514'5
39 8-09043 189-4 1 79 33-196S1 1573-5
40 8-51064 204-1 80 1 34-04255 1634-0