... was 6.98 pounds. The calorific value of the peat as used was 10,082 British thermal units per pound. The principal difficulty in the utilization of peat under boilers appears to be the frequency with which it is necessary to fire. On account of the... Annual Report - Side 39av Florida Geological Survey - 1908Uten tilgangsbegrensning - Om denne boken
| 1906 - 1010 sider
...horsepower hour at the steam engine was 5.66 pounds, and per electrical horsepower hour at the switch board was 6.98 pounds. The calorific value of the peat as...was kept at work almost constantly during the test. NORTH DAKOTA XO. 1 H. Brown lignite from Lehigh mine, Consolidated Coal Company, Lehigh, Stark County... | |
| 1905 - 644 sider
...thermal unites per pound. The principal difficulty in the utilization of peat under boilers appears in the frequency with which it is necessary to fire....was kept at work almost constantly during the test." IOWA ENGI AMES, IOWA NOVEMBER, 19 "I'M! IOWA ENGINEER A BI-MONTHLY PUBLICATION ISSUED BY THK ENGINEERING... | |
| Geological Survey (U.S.) - 1906 - 252 sider
...horsepower hour at the steam engine was 5.66 pounds, and per electrical horsepower hour at the switch board was 6.98 pounds. The calorific value of the peat as...was kept at work almost constantly during the test. NORTH DAKOTA NO. 1 B. Brown lignite from Lehigh mine, Consolidated Coal Company, Lehigh, Stark County... | |
| Samuel Stinson Gannett, David Henry Baldwin - 1906 - 992 sider
...British thermal units per pound. The principal difficulty in the utilization of peat under Ixrilera appears to be the frequency with which it is necessary...was kept at work almost constantly during the test. NORTH DAKOTA NO. 1 B. Brown lignite from Lehigh mine, Consolidated Coal Company, Lehigh, Stark County... | |
| Florida Geological Survey - 1908 - 130 sider
...satisfactory so far as they went. No difficulty was encountered in ANNUAL REPORT — MINERAL INDUSTRIES. 39 keeping the boiler up to its rated capacity, and,...in the United States has delayed the development of the peat industry. Peat deposits are known to be extensive in this country, and with the approach of... | |
| 1909 - 1124 sider
...boilers appears to be the frequency with which it is necessary to fire. This advantage is caused by the lightness of the material and also on account of its rapid combustion. Cost of Drilling for Coal.— During the past few years, coal mine operators have made it a practice... | |
| 1911 - 634 sider
...difficulty in the utilization of peat under boilers appears to be the frequency with which it must be fired. On account of the lightness of the material and also...was kept at work almost constantly during the test." IMPROVEMENTS PROBABLE. There are strong probabilities that with more experience with peat fuel, and... | |
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