London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Paddington 1875
[Report of the Medical Officer of Health for Paddington]
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ANNUAL TESTINGS OF 143 LAMP METERS.
| Reference No. | Reading of Gasholder. | Per Centage of Error. | Pressure in tenths of an inch. | Friction of Meter. | Reference No. | Reading of Gasholder. | Per Centage of Error. | Pressure in tenths of an inch. | Friction of Meter. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fast. | Slow. | Fast. | Slow. | ||||||||
| Feet. | Feet. | ||||||||||
| 1 | 5.0 | - | - | 5/10 | .125 | 45 | 4.98 | .4 | - | 5/10 | .125 |
| 2 | 4.95 | 1.01 | - | „ | .1 | 46 | 4.98 | .4 | - | „ | .125 |
| 3 | 4.87 | 2.67 | - | „ | .125 | 47 | 4 | 2 | - | „ | .125 |
| 4 | 4.95 | 1.01 | - | " | .075 | 48 | 5.04 | - | .79 | " | .125 |
| 5 | 4.99 | .2 | - | „ | .125 | 49 | 493 | 1.42 | . | " | .1 |
| 6 | 4.94 | 1.21 | - | „ | .125 | 50 | 5.0 | - | - | „ | .125 |
| 7 | 5. | - | - | „ | .125 | 51 | 4.98 | .4 | . | „ | .125 |
| 8 | 5. | - | - | " | 1 | 52 | 4.92 | 1.63 | . | „ | .075 |
| 9 | 4.98 | .4 | - | „ | .1 | 53 | 4.93 | 1.42 | . ' | " | .125 |
| 10 | 5. | - | - | " | .15 | 54 | 493 | 1.42 | . | „ | .1 |
| 11 | 5. | . | - | „ | .1 | 55 | 4.99 | .2 | . | „ | .1 |
| 12 | 4.94 | 1.21 | - | " | .125 | 56 | 4.98 | .4 | . | " | .1 |
| 13 | 4.99 | .2 | - | " | .1 | 57 | 5. | . | . | „ | .125 |
| 14 | 4.70 | 6.38 | - | „ | .05 | 58 | 4.99 | .2 | . | " | .125 |
| 15 | 4.93 | 1.42 | - | „ | .15 | 59 | 5. | . | . | „ | .1 |
| 16 | 4.96 | .81 | . | „ | .15 | 60 | 4.82 | 373 | - | „ | .1 |
| 17 | 5. | . | . | " | .15 | 61 | 493 | 1.42 | . | " | .1 |
| 18 | 4.99 | .2 | . | " | .125 | 62 | 4.95 | 101 | . | " | .125 |
| 19 | 4.82 | 373 | - | " | .1 | 63 | 4.94 | 1.21 | . | „ | .1 |
| 20 | 5. | . | . | " | .125 | 64 | 5.02 | . | .4 | „ | .125 |
| 21 | 4.99 | .2 | - | " | .1 | 65 | 4.91 | 1.83 | . | „ | .125 |
| 22 | 4.95 | 1.01 | . | " | .125 | 66 | 4.92 | 1.63 | . | „ | .1 |
| 23 | 4.98 | .4 | - | " | .125 | 67 | 5.05 | . | .99 | „ | .125 |
| 24 | 4.92 | 1.63 | - | " | .1 | 68 | 5.04 | . | .79 | „ | .075 |
| 25 | 4.89 | 2.25 | - | " | .15 | 69 | 5.01 | - | .2 | „" | .125 |
| 26 | 50 | - | - | " | .125 | 70 | 5. | . | . | „ | .1 |
| 27 | 4.97 | .6 | . | " | .1 | 71 | 4.99 | .2 | . | „ | .1 |
| 28 | 4.98 | .4 | - | " | .125 | 72 | 4.96 | .81 | . | „ | .075 |
| 29 | 4.98 | .4 | - | „ | .125 | 73 | 4 98 | .4 | . | „ | .075 |
| 30 | 4.95 | 1.01 | - | " | .1 | 74 | 5.0 | - | . | „ | .125 |
| 3l | 4.94 | 1.21 | . ' | .125 | 75 | 4.05 | 1.01 | . | „ | .075 | |
| 32 | 5.01 | - | .2 | " | .125 | 76 | 4.98 | .4 | . | „ | 1 |
| 33 | 50 | - | - | " | .125 | 77 | 5. | . | . | „ | .125 |
| 34 | 4.95 | 1.01 | - | " | .125 | 78 | 5.02 | . | .4 | „ | .1 |
| 35 | 4 95 | 1.01 | - | „ | .125 | 79 | 4.98 | .4 | . | „ | 1 |
| 36 | 4.97 | .6 | - | " | .125 | 80 | 5.06 | . | 1.19 | „ | .1 |
| 37 | 4.94 | 1.21 | . | " | .125 | 81 | 5. | . | . | „ | .1 |
| 38 | 4.95 | 1.01 | -< | " | .1 | 82 | 4.93 | 1.42 | . | „ | .125 |
| 39 | 5.03 | . | .6 | „ | .125 | 83 | 4.99 | .2 | . | „ | .1 |
| 40 | 494 | 1.21 | - | " | .1 | 84 | 5. | . | . | „ | 1 |
| 41 | 4.95 | 1.01 | - | " | .125 | 85 | 4 .93 | 1.42 | . | „ | 1 |
| 42 | 5.05 | . | .99 | " | .125 | 86 | 4.94 | 1.21 | . | „ | .1 |
| 43 | 4.94 | 1.21 | - | " | .125 | 87 | 4.95 | 1.01 | . | „ | .1 |
| 44 | 4.92 | 1.63 | - | „ | .125 | 88 | 4.99 | .2 | - | „ | .1 |
The Meters were t'ested for accuracy of registration
at five-tenth pressure with three lights, the consumption
being at the rate of twelve cubic feet per hour.
It will be seen that one Meter was faulty, having a
leakage in the interior water box, 7 required re.adjustment,
not any exceeded the limit permitted as to
friction, viz. .15 of an inch of water, 32 were dead
correct, 16 slow, and 87 fast, but within the limit of