The London Journal of Arts and Sciences, Volumen7Sherwood, Neely, and Jones, 1824 Containing reports of all new patents, with a description of their respective principles and properties: also, original communications on subjects connected with science and philosophy; particularly such as embrace the most recent inventions and dicoveries in practical mechanics. |
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Página 33
... Oil and Coal Gas Lights . To the Editor of the London Journal of Arts and Sciences . SIR , THE Consideration of oil gas has been very much brought before the public of late : yet the subject does not appear to be well understood . It ...
... Oil and Coal Gas Lights . To the Editor of the London Journal of Arts and Sciences . SIR , THE Consideration of oil gas has been very much brought before the public of late : yet the subject does not appear to be well understood . It ...
Página 34
... oil gas is certainly of the two the most expen- sive to the consumer , but the difference is only a few shillings in ... gas works are deriving a very handsome profit from the investment of their capital , the manufacturer of oil gas ...
... oil gas is certainly of the two the most expen- sive to the consumer , but the difference is only a few shillings in ... gas works are deriving a very handsome profit from the investment of their capital , the manufacturer of oil gas ...
Página 35
of oil consumed by it per annum , it will be found that 16 gallons of oil will be the utmost quantity ; and more frequently only 14 gallons , burning at the rate of 1043 hours in a year . This , at 2s . per ... Oil and Coal Gas Lights . 35.
of oil consumed by it per annum , it will be found that 16 gallons of oil will be the utmost quantity ; and more frequently only 14 gallons , burning at the rate of 1043 hours in a year . This , at 2s . per ... Oil and Coal Gas Lights . 35.
Página 36
... oil gas , at the rate of 80 feet to the gallon , 22 gallons of oil are consumed ! Here is an evident loss of nearly one - third of the quantity of oil sus- tained by the tedious and expensive process of converting oil into gas . How is ...
... oil gas , at the rate of 80 feet to the gallon , 22 gallons of oil are consumed ! Here is an evident loss of nearly one - third of the quantity of oil sus- tained by the tedious and expensive process of converting oil into gas . How is ...
Página 37
... gas per annum , which , at 15l . per thousand feet , would be 37. 18s . 6d . or within 1s . 6d . of the sum actually paid by the con- sumers . Then say 1 oil gas coal gas -as 1825 : 5215 : round numbers , as 1 to 3 nearly . oil gas coal gas ...
... gas per annum , which , at 15l . per thousand feet , would be 37. 18s . 6d . or within 1s . 6d . of the sum actually paid by the con- sumers . Then say 1 oil gas coal gas -as 1825 : 5215 : round numbers , as 1 to 3 nearly . oil gas coal gas ...
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Página 255 - And God said: Let there be light; and there was light. And God saw the light, that it was good; and God divided the light from the darkness.
Página 328 - ENCYCLOPEDIA of AGRICULTURE: comprising the Laying-out, Improvement, and Management of Landed Property, and the Cultivation and Economy of the Productions of Agriculture. With 1,100 Woodcuts. 8vo.
Página 325 - Middlesex, mechanist, in consequence of a communication made to him by a certain foreigner residing abroad...
Página 80 - Thus in the whole machinery of springs and Rivers, and the apparatus that is kept in action for their duration, through the instrumentality of a system of curiously constructed hills and valleys, receiving their supply occasionally from the rains of heaven, and treasuring it up in their everlasting storehouses to be dispensed perpetually by thousands of never-failing fountains, we see a provision not less striking, than it is important.
Página 192 - Squadron, in consequence of a communication made to him by a certain foreigner residing abroad, for a certain method or methods of catching or taking mackarel and other fish.
Página 219 - On the Utility and probable Accuracy of the Method of determining the Sun's Parallax, by observations on the planet Mars near his opposition ; by Mr.
Página 158 - This day being the fourth anniversary of the Society, a numerous meeting of the members took place at their apartments in Lincoln's Inn Fields, when a very satisfactory report upon the state of the society's affairs and proceedings during the last year, -was read and ordered to be printed. This report paid a due tribute of respect to several members, which the society has lost by death in the 10m. 0' go is- 44
Página 317 - ... led to some awkward anomalies, on account of its having been customary to take the moon's centre reduced to the meridian, and to compare it with the apparent places of stars passing the meridian about the same time in any parallel of declination. The newly proposed method consists in merely observing with a transit instrument, the differences of right ascension between the border of the moon, and certain fixed stars previously agreed upon, restricting the observations to such stars as differ...
Página 276 - London, merchant, in consequence of a communication made to him by a certain foreigner residing abroad, for an invention of " certain improvements in boilers for generating steam.
Página 159 - Esq. FRS, as a token of the high estimation in which it holds his valuable invention of an engine for calculating mathematical and astronomical tables, being the first medal awarded by the Society. A similar Gold Medal to Professor...