Proceedings of the American Academy of Arts and Sciences, Volumen3Metcalf and Company, 1857 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 97
... specimens of foliage of this tree , which he took to be a new species of Sequoia . The fruit and branches of the juniper - like foliage ( probably only one form of a dimorphous foliage , which is common in Cupressinea ) having been ...
... specimens of foliage of this tree , which he took to be a new species of Sequoia . The fruit and branches of the juniper - like foliage ( probably only one form of a dimorphous foliage , which is common in Cupressinea ) having been ...
Página 108
... specimens of perfectly pure India - rubber obtained from this milky juice ; the consistence of the latter is between that of milk and cream ; it yields from 48 to 52 per cent . of solid India - rubber . What he wished particularly to ...
... specimens of perfectly pure India - rubber obtained from this milky juice ; the consistence of the latter is between that of milk and cream ; it yields from 48 to 52 per cent . of solid India - rubber . What he wished particularly to ...
Página 110
... specimens analyzed , they were taken in the market- able condition , and as it is often the case that tapioca , sago , and arrow- root are largely adulterated , care was taken to procure them of as good a quality as possible . The ...
... specimens analyzed , they were taken in the market- able condition , and as it is often the case that tapioca , sago , and arrow- root are largely adulterated , care was taken to procure them of as good a quality as possible . The ...
Página 111
... specimens were dried in watch - glasses at a temperature of 100 ° C. ( 212 ° F. ) , and were all dried for the water determinations in their market condition , with the exception of maccaroni , which seemed likely to offer so much ...
... specimens were dried in watch - glasses at a temperature of 100 ° C. ( 212 ° F. ) , and were all dried for the water determinations in their market condition , with the exception of maccaroni , which seemed likely to offer so much ...
Página 112
... specimen was in the state of fine powder . I. 0.869 grm . gave at 100 ° C. 0.1392 grm . loss . II . 1.127 grm . dried at 100 ° C. left 0.0038 grm . ash . III . 4.0347 grm . dried at 100 ° C. left 0.0133 grm . ash . IV . 0.3124 grm ...
... specimen was in the state of fine powder . I. 0.869 grm . gave at 100 ° C. 0.1392 grm . loss . II . 1.127 grm . dried at 100 ° C. left 0.0038 grm . ash . III . 4.0347 grm . dried at 100 ° C. left 0.0133 grm . ash . IV . 0.3124 grm ...
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