ENCB03_0326
Facsimile
Transcription
Status: Indexed
326
C.H. Kingsley Esq
Prest. Cambridge Water Board.
Dear Sir
Our fountains are four in
number and are run on an average 4 hours to 5
per day. The openings are as follows,
| Areas. | ||||||
|---|---|---|---|---|---|---|
| Alice Fountain | 10 | holes | 1/8 | inch | in diam. | 0.1227 sq in |
| Hazel Dell | 7 | do [holes] | 1/8 | do [inch] | do [diam] | .0859 [sq in] |
| Auburn Lake | 1 | do [holes] | 13/16 | do [inch] | do [diam] | .5185 [sq in] |
| Lawn | 1 | do [holes] | 1/4 | do [inch] | do [diam] | .0491 [sq in] |
an inch wide around the circumference
and equal to difference between the areas
of circle having diamter of 2 inches and 1 3/4 |.7313|
Total area of openings |1.5125 [sq in]|
head is about 70 feet
Respectfuly
J.W. Lovering
[calculation in pencil: 3.1146
- 2.4053 = .7363]
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