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 6
... feet . West of these , in dim distance , the still higher Spanish Peaks appear , which have only been visited , very ... feet above the sea - level , two thousand feet above the town , but do not reach the line of perpetual snow , and ...
... feet . West of these , in dim distance , the still higher Spanish Peaks appear , which have only been visited , very ... feet above the sea - level , two thousand feet above the town , but do not reach the line of perpetual snow , and ...
Página 7
... feet lower than that town . Its flora is meagre ; but some interesting plants were obtained on its sandy banks , or on the black basaltic rocks , which in other places rise directly from its brink . South and southwest of Santa Fé , an ...
... feet lower than that town . Its flora is meagre ; but some interesting plants were obtained on its sandy banks , or on the black basaltic rocks , which in other places rise directly from its brink . South and southwest of Santa Fé , an ...
Página 74
... feet long , coiled like a still - worm , and placed in cold water to produce con- densation . One hundred and ten cubic centimetres of the condensed water , after acidulation with acetic acid , were treated with a stream of ...
... feet long , coiled like a still - worm , and placed in cold water to produce con- densation . One hundred and ten cubic centimetres of the condensed water , after acidulation with acetic acid , were treated with a stream of ...
Página 76
... feet in length . The main pipe , two inches in diameter , is about three quarters of a mile long . This pipe must be capable of holding a gallon in a little more than seven and one third feet , or 540 gallons in its whole length . Thus ...
... feet in length . The main pipe , two inches in diameter , is about three quarters of a mile long . This pipe must be capable of holding a gallon in a little more than seven and one third feet , or 540 gallons in its whole length . Thus ...
Página 94
... feet in length will ordinarily be identical in constitution with that in the source from which it is drawn . That only which has been some time at rest would be expected to contain lead . Accordingly , there is more care that the water ...
... feet in length will ordinarily be identical in constitution with that in the source from which it is drawn . That only which has been some time at rest would be expected to contain lead . Accordingly , there is more care that the water ...
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