 | Charles Bucke - 1823 - 436 pagine
...landscape painters, if we except Titian, — studied in the fields. Every variation of shade, formed by the different hours of the day, and at different seasons of the year, by the refraction of light, and the morning and evening vapours, he minutely observed. His distances... | |
 | 1839 - 272 pagine
...belong. DAY AJ?D NIGHT, WE will now explain the causes of the different amount of light which we receive at different hours of the day, and at different seasons of the year. Fig. 23., The Sun is the great source of light to the solar system ; and without him, all would be... | |
 | Lewis Tomlinson - 1840 - 362 pagine
...belong. DAT AND NIGHT. We will now explain the causes of the different amount of light which we receive at different hours of the day, and at different seasons of the year. N Fig- 24The Sun is the great source of light to the solar svstem : and without him, all would be dark... | |
 | 1845 - 570 pagine
...satisfied that the amount of chemical power was not in direct ratio with the quantity of light, but that at different hours of the day, and at different seasons of the year, a remarkable variation may be found to exist. The peculiar conditions of plants in the morning and... | |
 | Charles Tomlinson - 1857 - 64 pagine
...also be stated, that both the direction and the dip of the magnetic needle, undergo very small changes at different hours of the day, and at different seasons of the year ; but the changes can only be observed with apparatus specially constructed for the purpose, and in... | |
 | Highland and Agricultural Society of Scotland - 1867 - 640 pagine
...localities where it is more or less affected by the water supply of the town, but the quality varfes at different hours of the day, and at different seasons of the year, according to the amount of rainfall. The fifth point is the Quantity to be Obtained. This is of very... | |
 | Charles Tomlinson - 1872 - 392 pagine
...such needles or magnets, free to move in a horizontal plane, varies by small fractions of a degree at different hours of the day, and at different seasons of the year, and also undergoes a very slow, but continual change from year to year ; all these changes being subject... | |
 | Henry Grattan Guinness - 1878 - 736 pagine
...the distribution of plants and animals, and of the races of mankind ; so its elevation or depression at different hours of the day and at different seasons of the year, at any one given place, influences the development of human and other organic life, at those hours... | |
 | Henry Grattan Guinness - 1879 - 756 pagine
...the distribution of plants and animals, and of the races of mankind ; so its elevation or depression at different hours of the day and at different seasons of the year, at any one given place, influences the development of human and other organic life, at those hours... | |
 | 1881 - 410 pagine
...of Mt. Washington, for example, by means of the various formulae, using the tables based upon them, at different hours of the day and at different seasons of the year, and to compare the results. The original observations taken at the signaloffice at Mt. Washington could... | |
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... at different hours of the day and at different seasons of the year... 
