Surveyor's tables, being the tables from the Manual of land surveying, by F. Hodgman

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TABLE xv. TABLE x111. ' AOREAGE or TILE DRAINS. 98. each being considered as equal to onehalf inch in depth Mich. ng, Lansi R, ENTE CARP C. R. by Computed Acres Drained. Rate 01 Inclination. 8-in. - Fee" ‘0 0‘19 0‘ "39' 10-in. 1241). 2-in 3-in. 4-in. 6-in. Tile. Tile. Tile. Tile. Tile. Tile Tile. ...... .. 6.6 18.9 .................. 20 " 4.7 13.0 26.8 ......... .. ...... .................... " . 25 " 4.2 11.4 24.0 66.2 .......... .. ...... 30 " 3‘9 10.9 21.9 61.5 126.4 . ....... 1 " 1 " 4o " 3.4 9.4 19.0 53.3 109.6 190.5.......... . 1 1 1 1 1 1 1 1 1 1 1 " " " " " " " " " " " 50 60 70 80 90 100 150 200 250 300 400 " " " " " " " " " " " 3.0 2.7 2 5 2.3 _2.2 2.0 1.6 ......... ......... .. ....... -8.4 7.6 6.9 6.5 6.1 5.7 4.5 3.9 3.5 17.0 15.6 14.5 13.4 12.6 11.9 9.5 8.2 7.5 6.9 5.9 47.7 43.4 39.9 37.2 35.0 33.1 26.6 22.8 20.4 18.4 16.5 1 " 500 " 1 1 1 1 1 " " " " " 600 800 1,000 1,500 2,000 " " " " " 10 feet 1 foot in 1 " 1 98.0 90.0 83.0 77.0 72.5 69.2 56.0 48.0 43.4 38.2 34.6 170.4 156.0 144.4 135.0 127.0 120.6 97.3 83.9 74.4 65.5 60.3 269.0 246.0 228.1 213.0 200.5 190.5 154.4 132.5 117.0 107.0 90.7 30.1 54.0 81.6 14.8 48.6 41.9 37.2 30.8 .. .. ....................................... ...... ........ 28.0 24.0 21.2 13.3 mm... ....... 89 58 59.9 58 57.5 58 55.0 58 52.5 89 58 29.9 58 26.3 58 22.5 58 18.7 89. 57 59.9 57 55.0 57 50.0 5744.9 57 39.7 34 59 24.9 58 49.9 58 14.8 35 36 37 38 39 59 23.6 59 22.2 59 20.8 59 19.4 59 17.9 58 47.2 58 44.4 58 41.6 58 38.8 58 35.8 58 58 58 57 57 40 41 59 16.4 59 14.8 58 32.8 58 29-6. 57 49.2 57 44.4 57 05.5 56 59,3 56 52.8 59 39.6 42 57 34.6 57. 29.5 57 24.1 56 46.2 56 39.3 56 32.1 58 13.2 46 47 6113312113. 06.2 04.3 59 59 89 57 57 57 57 57 56 56 56 56 56 56 56 56 55 55 55 55 89 55 CAPACITY OF TILE. in gallons. From Showing com-mm: capacity of diferent sizes of tile. Mich. on. Jacks , 00. Pipe Catalogue of the Bennett Sewer Carrying Capacity-Gallons per Minute. 12.4 08.6 29.9 23.8 17.5 11.2 04.6 58.0 51.1 44.1 36.9 29.6 21.9 14.1 06.0 57.7 49.1 40.2 31.0 21.4 56 56 56 56 56 56 56 56 55 55 55 55 55 55 54 54 54 89 54 89 57 57 89 59.8 52.5 45.0 37.4 29.6 21.6 13.4 05.0 56.3 47.5 38.3 28.9 19.2 09.2 58.9 48.2 37.2 25.7 56 56 56 56 55 55 55 55 55 55 54 54 54 .54 54 53 53 89 53 89 34.4 28.9 23.3 17.5 11.6 56 24.8 56 17.1 ' 18.6 12.9 89 ‘8 miles. 7 miles. 6 miles. 5 miles. 89 74.0 65.0 56.0 47.0 . 40.8 58 58 89 57 57 57 57 57' 10.8 06.8 02.5 58.2 53.7 57 26.4 58 23.1 58 19.6 58 16.1 59 11.5 59 09.8 59 08.0 43 44 45 numbers are reNorm-Tile should not be laid to grades where placed by dashes. TABLE XIV. 59 30 59 28.8 59 27.5' 59 26.2' 89 30 31 32 33 n I o n l o n p o n 1 c 0 '4 miles. 3 miles. 2miles. 1 mile. hag; the rainfall Sham/nu Number ofAcres drained by diferent sizes of tile, 24 Muir's. AZIMUTES 011- TANGENT. - 55 55 55 55 55 55 54 54 54 54 54 53 53 53 53 53 52 89 52 89 29.8 21.3 12.5 03.6 54.5 45.2 35.6 25.8 15.7 05.4 54.7 43.7 32.4 20.8 08.7 56.3 43.4 30.0 59.8 50.0 40.0 29.9 19.4 08.8 57.8 46.6 35.1 23.3 11.1 58.5 45.6 32.3 18.5 04.3 49.5 34.3 > 1 as 258' E 5_. ed "-1 «4 3 58' .. 3 55' as \av-c "18 fl 1-1 ".8 fl v-l 30' as .138 .... H 31 55 18.8 a e: co 32 55 5 H 5 *8 S‘u-t "d v-l . _,_. H HH U2 .. co to a: o 2%in. 3 " 4 " 5 " 6 - " 8 " 9 " 10 " 12 " 15 " 18 " 20 " 24 " 14 21 36 54 84 144 232 267 470 830 1300 1760 3000 20 30 52 78 120 208 330 378 680 1180 1850 2450 4152‘ 28 42 76 111 169 304 470 463 960 1680 2630 3450 5871 34 52 92 134 206 368 570 655 1160 2040 3200 4180 7202 .. "‘ .. H o n 9 89 55 49 74 132 192 294 528 810 926 1670 2920 4600 5980 10021 55 85 148 219 338 592 930 1340 1920 3340 5270 6850 11743 68 104 184 269 414 736 1140 1613 2350 4100 6470 8410 14466 , 07.6 89 r n n o 59.7 89 54 29.7 54 47.6 54 16.3 54 54 35.1 ' 54 02.6 3. 12 miles. o 89 r ‘ n 53 59.7 ' 53 45.1 3 53 30.1 53 14.8 '1}; 54 56.1 53 48.5 52 59.1 34 54 44.4 53 34.2 -: 54 09.3 35 36 37 38 39 40 41 42 43 44 45 '46 47 54 32.3 54 20.0 ,54 07.4 53 54.5 53 41.2 53 27.5 53 13.4 52 58.8 52 43.8 5228.4 52 12.3 51 55.7 38.6 33 40 60 108 159 240 432 660 803 1360 2370 3740 4860 8303 29.8 o 11 miles. 54 22.3 2‘. as e 2u-c....H e e E:ee .H H 9 miles. :33}; n0 f: 5.:1...-H 10 miles. . ' ""22 8 8..° 5 'i . . 5 . 1 53 53 53 53 52 52 52 52 51 51 .51 51 89 50 55.9 42.3 28.2 13.9 59.1 43.8 28.2 12.0 55.4 38.2 20.4 01.9 42.9 53 53 52 52 52 52 51 51 51 50 50 50 89 49 19.5 04.5 49.1 33.2 17.0 00.2 43.0 25.2 06.9 48.0 28.4‘ 08.1 47.2 52 52 52 51 51 51 50 50 50 49 49 49 89 48 43.1 26.7 09.9 52.6 34.9 16.6 57.8 38.4 18.5 57.8 36.4 14.3 51.4