 | Gardening - 1831 - 774 pages
...heat they can convey, when that conveyed by an equal volume of water is unity. " 16. If the cubic feet of air to be heated per minute be multiplied by the...that of the surface of the pipes, the result will be the feet of surface of iron pipe, &c., required. Thus, if 1000 cubic feet per minute are to be warmed,... | |
 | Gardening - 1831 - 780 pages
...heat they can convey, when that conveyed by an equal volume of water is unity. " 16. If the cubic feet of air to be heated per minute be multiplied by the...and the result be divided by twice the difference betw_een the temperature of the house and that of the surface of the pipes, the result will be the... | |
 | Sir Joseph Paxton - Botany - 1836 - 382 pages
...tinned iron, earthenware, &c., are employed for pipes, much more surface is necessary. If the cubic feet of air to be heated per minute be multiplied by the...that of the surface of the pipes, the result will be the feet of surface of iron pipe, &c., required. It is known from experience, that the heat which raises... | |
 | Sir Joseph Paxton - Botany - 1836 - 384 pages
...tinned iron, earthenware, &c., are employed for pipes, much more surface is necessary. If the cubic feet of air to be heated per minute be multiplied by the...difference between the temperature of the house and that of tic surface of the pipes, the result will be the feet of surface of iron pipe, &c-, required. It is... | |
 | Charles McIntosh - Garden structures - 1853 - 916 pages
...of air. " If the cubic content of air to be heated per minute," says thefirst of these authorities, "be multiplied by the number of degrees it is to be...that of the surface of the pipes, the result will be the feet of surface of iron pipe required. Thus, if 1000 cubic feet per minute are to be warmed, and... | |
 | Charles McIntosh - Garden structures - 1853 - 916 pages
...air. " If the cubic content of air to be heated per minute," says thefirst of these author! ties/'be multiplied by the number of degrees it is to be warmed,...that of the surface of the pipes, the result will be the feet of surface of iron pipe required. Thus, if 1000' cubic feet per minute are to be warmed, and... | |
 | Agriculture - 1874 - 546 pages
...the cubic feet of air to be heated by the number of degrees the house is to be warmed, and the result divided by twice the difference between the temperature...of the house and that of the surface of the pipes will be the feet ol piping required." In using this formula we must bear in mind that the temperature... | |
 | Robert Morris Copeland - Agriculture - 1859 - 876 pages
...boiler is determined by its shape, setting, and the distance between the furnace bars. Messrs. Trodgold and Hood, in England, have made the most reliable...that of the surface of the pipes, the result will be the feet of surface of iron pipe required. " Thus, if 1000 cubic feet per minute are to be warmed,... | |
 | Robert Morris Copeland - Agriculture - 1860 - 878 pages
...and side walls, just between the foundation and the first course of bricks. The hot-water pipes arc 1 foot from the vines, along the front and back, 6...that of the surface of the pipes, the result will be the feet of surface of iron pipe required. " Thus, if 1000 cubic feet per minute are to be warmed,... | |
 | Robert Morris Copeland - Agriculture - 1866 - 980 pages
...cubic contents of air to be heated per minute be multiplied by the number of degrees it is to !*• warmed, and the result be divided by twice the difference...that of the surface of the pipes, the result will be the feet of surface of iron pipe required. " Thus, if 1000 cubic feet per minute are to be warmed,... | |
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the cubic contents of air to be heated per minute be multiplied by the number of degrees it is to be warmed, and the result be divided by twice the difference between the temperature of the house and that of the surface of the pipes, the result will... 