The Prevention of Smoke Combined With the Economical Combustion of Fuel
The book The Prevention of Smoke Combined With the Economical Combustion of Fuel was written by author William Charles Popplewell Here you can read free online of The Prevention of Smoke Combined With the Economical Combustion of Fuel book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Prevention of Smoke Combined With the Economical Combustion of Fuel a good or bad book?
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, thus occupying ten hours. Full observations were taken of the quantity of fuel burnt, the quantity of water evaporated, with all the accompanying minor observations, and, in addition to these, very careful observations were taken of the amount of smoke emitted at all times during the test. The method of taking the smoke readings is interesting. Two observers were employed, each placed at a window about 1, 000 feet from the chimney, in positions so chosen that one of the two at all times was a...ble to have a side view of the stream of gases as they issued from the top of the chimney. Five degrees of smoke were noted, as follows : 1. No smoke. 2. Slight smoke. 3. Medium smoke. 4. Black smoke. 5. Very thick smoke. These were recorded continuously on a rotating drum, which was driven by clockwork. The paper on the drum was divided by lines parallel to the axis into minute divisions, each SOME STANDARD SMOKE TESTS. 147 of these being one millimetre wide ; and by circumferential lines into five divisions, these corresponding to the five degrees of intensity of the smoke.
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