Proceedings of the American Academy of Arts and Sciences, Volumen2Metcalf and Company, 1852 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 195
... crystals with their angles sharp and uninjured , while the mass mainly may have been compressed into a plate . Dis- secting this , the crystals are seen to be connected with and form parts of the original system of crystallization ...
... crystals with their angles sharp and uninjured , while the mass mainly may have been compressed into a plate . Dis- secting this , the crystals are seen to be connected with and form parts of the original system of crystallization ...
Página 196
... crystals , is a compound body , having generally a large quan- tity of oxalate of lime crystallized with it . Crystals of various forms and colors were shown under the microscope . Lithic acid , ammonia , coloring matter , and oxalate ...
... crystals , is a compound body , having generally a large quan- tity of oxalate of lime crystallized with it . Crystals of various forms and colors were shown under the microscope . Lithic acid , ammonia , coloring matter , and oxalate ...
Página 199
... crystals and elongated porous prisms . " " This oil , which is manufactured by the society of Shakers , at Enfield , New Hampshire , from the roots of the English valerian , contains , with the volatile oil of the root , all the ...
... crystals and elongated porous prisms . " " This oil , which is manufactured by the society of Shakers , at Enfield , New Hampshire , from the roots of the English valerian , contains , with the volatile oil of the root , all the ...
Página 200
... crystals by fusion lose the elements of water , but when dried in warm air over sulphuric acid , 1. 0.304 grm . gave 0.851 grm . carbonic acid , and 0.305 grm . water . 2. 0.2513 grm . substance gave 0.705 grm . carbonic acid , and ...
... crystals by fusion lose the elements of water , but when dried in warm air over sulphuric acid , 1. 0.304 grm . gave 0.851 grm . carbonic acid , and 0.305 grm . water . 2. 0.2513 grm . substance gave 0.705 grm . carbonic acid , and ...
Página 246
... crystals of gold from California , and offered the following remarks in illustration of them : " The largest were octahedral crystals , simple or modified , and were as perfectly formed as similar crystals of pleisto - magnetic iron ...
... crystals of gold from California , and offered the following remarks in illustration of them : " The largest were octahedral crystals , simple or modified , and were as perfectly formed as similar crystals of pleisto - magnetic iron ...
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Página 135 - August, and from them he infers ' that the changes in the elevation of the waters are entirely too variable to be traced to any regular permanent cause, and that consequently there is no perceptible tide at Green Bay which is the result of observation. And such, it appears to me, is the result of calculation, when the laws that regulate solar and lunar attraction are taken into view.
Página 135 - The phenomena occurred about noon. The day was calm, but cloudy. The water retired suddenly, leaving the bed of the river bare, except for a distance of thirty rods, and remained so for nearly an hour.
Página 137 - Beche, a sudden impulse given to the particles of water, either by suddenly increased or diminished pressure, would cause a perpendicular rise or fall, in the manner of a wave, beyond the height or depth strictly due to the mere weight itself. The difference in the specific gravity of the water of the lakes * American Journal of Science, Vol.