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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