. The practical fruit, flower and vegetable gardener's companion, with calendar. Gardening. 308 FO&CINQ GARDEN. parts of the vessels, and the other the upper parts. If the vessels and pipes be filled with water, and heat be applied to the vessel A, the effect of heat will be to expand the water in the vessel A; and its surface will, in consequence, rise to a higher level,-a a, the former general level being h b. The density of the fluid in the vessel A will also de- crease, in consequence of its expansion ; but as soon as the column, c d, of fluid above the centre of the upper pipe is of g
. The practical fruit, flower and vegetable gardener's companion, with calendar. Gardening. 308 FO&CINQ GARDEN. parts of the vessels, and the other the upper parts. If the vessels and pipes be filled with water, and heat be applied to the vessel A, the effect of heat will be to expand the water in the vessel A; and its surface will, in consequence, rise to a higher level,-a a, the former general level being h b. The density of the fluid in the vessel A will also de- crease, in consequence of its expansion ; but as soon as the column, c d, of fluid above the centre of the upper pipe is of greater weight than the column, f e, above that centre, motion will commence along the upper pipe from A to B, and the change this motion produces in the equilibrium of the fluid will cause a corresponding motion in the lower pipe from B to A ; and in short, the motion will obviously continue till the temperature be nearly the same in both vessels ; or if water be made to boil in A, it may also be boiling hot in B, because ebullition in A will assist the ; The figure referred to in the preceding quotation, repre- senting the common tank boiler surrounded by a flue with a cistern at the extremity of the pipes, exhibits the form in which the apparatus was first erected; but as in this Fig. arrangement the process of heating was very slow, many. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Neill, Patrick, 1776-1851; Emerson, G. (Gouvernour), 1796-1874, ed; Pardee, R. G. (Richard Gay), 1811-1869. New York, C. M. Saxton & Co.
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Keywords: ., bookauthor, bookcentury1800, bookdecade1850, booksubjectgardening
