 ... other. The obvious remedy is to destroy their united action ; to break through their line of communication. Remove your water of attraction to such a depth that evaporation cannot act upon it, or but feebly. What is that depth ? In ascertaining this...  Draining for Profit, and Draining for Health - Página 65por George Edwin Waring - 1911 - 252 páginasVista completa - Acerca de este libro
 | 1850 - 608 páginas
...feebly. What is that depth ? In ascertaining this point we are not altogether without data. No doubt depth diminishes the power of evaporation rapidly....invariably two or three degrees colder than water taken Irom 4 feet, and as this latter is generally one or two degrees colder than water from a contiguous... | |
 | Thomas Gisborne - 1854 - 666 páginas
...feebly. What is that depth? In ascertaining this point we are not altogether without data. No doubt depth diminishes the power of evaporation rapidly. Still, as water taken from a 30 inch drain is almost invariably two or three degrees colder than water taken from 4 feet, and as... | |
 | Maine State Agricultural Society - 1853 - 884 páginas
...feebly. What is that depth ? In ascertaining this point we are not altogether without data. No doubt depth diminishes the power of evaporation rapidly. Still, as water taken from a thirty-inch is almost invariably two or three degrees colder than water taken from a four feet drain,... | |
 | Ohio State Board of Agriculture - 1861 - 662 páginas
...feebly. What is that depth ? In ascertaining this point we are not altogether without data. No doubt depth diminishes the power of evaporation rapidly. Still, as water taken from a thirty inch drain is almost invariably two or three degrees colder than water taken from four feet,... | |
 | Ohio State Board of Agriculture - 1861 - 664 páginas
...feebly. What is that depth ? In ascertaining this point we are not altogether without data. No doubt depth diminishes the power of evaporation rapidly. Still, as water taken from a thirty inch drain is almost invariably two or three degrees colder than water taken from four feet,... | |
 | John Hancock Klippart - 1861 - 486 páginas
...feebly. What is that depth ? In ascertaining this point we are not altogether without data. No doubt depth diminishes the power of evaporation rapidly. Still, as water taken from a 30 inch drain is almost invariably two or three degrees colder than water taken from 4 feet, and as... | |
 | George Edwin Waring (Jr.) - 1867 - 264 páginas
...feebly. What is that depth ? In ascertaining this " point we are not altogether without data. No doubt " depth diminishes the power of evaporation rapidly...." colder than water from a contiguous well several feei " below, we can hardly avoid drawing the conclusion that " the cold of evaporation has considerable... | |
 | John Hancock Klippart - 1867 - 478 páginas
...d;:ta. No doubt depth diminishes the power of evaporation rapidly. Ktill, as water taken from a 30 inch drain is almost invariably two or three degrees colder than water taken from 4 feet, and as this latter is generally one or two degrees colder than water from a contiguous well... | |
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