 | 1872 - 442 pages
...feet in diameter, surrounded by sugar bushes, Protea mellifera, Thumberg, of a considerable height, and otherwise protected from the prevailing wind by a belt of pine trees, about 120 feet distant. Into each of these jars was put 20 02. of water on January 31st, at 10 am On February... | |
 | John Croumbie Brown - 1877 - 358 pages
...about 60 feet in diameter, surrounded by sugar bushes, Protea mellifera Thbg, of a considerable height, and otherwise protected from the prevailing wind by a belt of pine trees, about 120 feet distant. Into each of these jars was put 20 oz. of water on January 31st, at 10 AM On February... | |
 | George Oliver - 1881 - 252 pages
...this process in the ' open ' and in a tree-covered area has been proved by experiment. Mr. Blou, FMS, at Wynbery Hill, South Africa, sunk in the ground...more than double that from the jar in the bush, or as ]'854 in. is to -8632 in. ; the experiment was repeated with similar results.0 If such a remarkable... | |
 | Alexander Ramsay - 1884 - 538 pages
...60 ft. in diameter, surrounded by sugar bushes (Protea mellifera, ThuiA.), of a considerable height, and otherwise protected from the prevailing wind by a belt of pine trees, about 120 ft. distant. Into each of these jars was put 20 ozs. of water on January 31st, at 10 AM On February 5th, at 5 PM,... | |
 | 1884 - 472 pages
...CO ft. in diameter, surrounded by sugar bushes (Frotea mellifera, Thwib.), of a considerable height, and otherwise protected from the prevailing wind by a belt of pine trees, about 120 ft. distant. Into each of these jars was put 20 ozs. of water on January 31st, at 10 AM On February 5th, at 5 PM,... | |
| |
... covering each with wire gauze to keep out flies, &c. The one was placed where it was partially protected, but not covered by bush, the other was sunk in a newly cleared plot of ground, measuring about 60 feet in diameter, surrounded by sugar bushes,... 