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Volumes           CONTENTS OF RESERVOIRS          No. 12
Scale Vernier Unit Test Plate Ott's K.&E., No. 4230 Coradi's Compensating  
No. Linear Area Volume Actual Relative Area Volume Reading Setting Constant Setting Constant Setting Constant Setting Constant
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
No. In. Ft. Sq. In. Ft. Sq. In. Galls. Sq. In. Galls. Sq. Ft. Galls. Units ½ mm Units ½ mm Units ½ mm Units ½ mm Units
  1 1 = 1 1 = 1 1 =         4.987 .014036       .07         15.5         77.2985 1104.26 295.7 17468   60.3 18176 298.3 23003 _ _ _ _ _ _ _ _
  2 1 = 2 1 = 4 1 =       19.948 .01504       .3         62.0       309.194 1030.6 315.1 17334   39.2 18161 319.6 22730 _ _ _ _ _ _ _ _
  3 1 = 4 1 = 16 1 =       79.792 .01253     1.0       248.0     1236.77 1236.77 266.59 17854   92.9 18480 266.2 23620 _ _ _ _ _ _ _ _
  4 1 = 5 1 = 25 1 =     124.675 .01203     1.5       387.5     1932.46 1288.31 256.9 18036 102.5 18466 255.8 24248 _ _ _ _ _ _ _ _
  5 1 = 6 1 = 36 1 =     179.532 .01392     2.5       558.0     2782.75 1113.1 293.5 17509   63.5 18130 295.8 23035 _ _ _ _ _ _ _ _
  6 1 = 8 1 = 64 1 =     319.168 .01253     4.0       992.0     4947.10 1236.77 266.6 17854   92.9 18480 266.2 23620 _ _ _ _ _ _ _ _
  7 1 = 10 1 = 100 1 =     498.700 .014036     7.0     1550.0     7729.85 1104.26 295.7 17468   60.3 18176 298.3 23003 _ _ _ _ _ _ _ _
  8 1 = 12 1 = 144 1 =     718.128 .01392   10.0     2232.0   11130.98 1113.1 293.5 17509   63.5 18130 295.8 23035 _ _ _ _ _ _ _ _
  9 1 = 16 1 = 256 1 =   1276.672 .01253   16.0     3968.0   19788.42 1236.77 266.6 17854   92.9 18480 266.2 23620 _ _ _ _ _ _ _ _
10 1 = 20 1 = 400 1 =   1994.800 .01504   30.0     6200.0   30919.40 1030.6 315.1 17334   39.2 18161 319.6 22730 _ _ _ _ _ _ _ _
11 1 = 24 1 = 576 1 =   2872.512 .01392   40.0     8928.0   44523.94 1113.1 293.5 17509   63.5 18130 295.8 23035 _ _ _ _ _ _ _ _
12 1 = 30 1 = 900 1 =   4488.300 .01114   50.0   13950.0   69568.65 1391.37 239.5 18449 121.2 18748 237.6 24689 _ _ _ _ _ _ _ _
13 1 = 40 1 = 1600 1 =   7979.200 .01253 100.0   24800.0 123677.6 1236.77 266.6 17854   92.9 18480 266.2 23620 _ _ _ _ _ _ _ _
14 1 = 50 1 = 2500 1 = 12467.0 .01203 150.0   38750.0 193246.2 1288.31 256.9 18036 102.5 18466 255.8 24248 _ _ _ _ _ _ _ _
15 1 = 60 1 = 3600 1 = 17953.2 .01392 250.0   55800.0 278274.6 1113.1 293.5 17509   63.5 18130 295.8 23035 _ _ _ _ _ _ _ _
16 1 = 80 1 = 6400 1 = 31916.8 .01253 400.0   99200.0 494710.4 1236.77 266.6 17854   92.9 18480 266.2 23620 _ _ _ _ _ _ _ _
17 1 = 100 1 = 10000 1 = 49870.0 .014036 700.0 155000.0 772985.0 1104.26 295.7 17468   60.3 18176 298.3 23003 _ _ _ _ _ _ _ _
Note.-- In all cases contours are taken as being 1 foot apart vertically.

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