English Mechanic and World of Science: With which are Incorporated "the Mechanic", "Scientific Opinion," and the "British and Foreign Mechanic.", Том 28E. J. Kibblewhite, 1879 |
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Страница 9
... covered with the pressure at the earth's surface , would account binations of metals , even when the metals have crucible , and they answer equally as well for melting is lined with firebrick or clay , and the lining con- centrates the ...
... covered with the pressure at the earth's surface , would account binations of metals , even when the metals have crucible , and they answer equally as well for melting is lined with firebrick or clay , and the lining con- centrates the ...
Страница 11
... covered with a thin layer of water , and the number of vibrations of the corresponding sound . He photographed the layers , which contained an insoluble powder in suspension . He finds that the breadths of the striæ are inversely ...
... covered with a thin layer of water , and the number of vibrations of the corresponding sound . He photographed the layers , which contained an insoluble powder in suspension . He finds that the breadths of the striæ are inversely ...
Страница 32
... covered with platinum . A fine screw is so placed working in a rigid standard that its platinum - covered end can be brought into contact with the stud above mentioned , or receded from it at will , the distance between the screw and ...
... covered with platinum . A fine screw is so placed working in a rigid standard that its platinum - covered end can be brought into contact with the stud above mentioned , or receded from it at will , the distance between the screw and ...
Страница 38
... covered with hairs . I have calculated that the total length of the tubing in the proboscis is slightly over an inch . The piercers are about 1-20th inch long , and 1-300th thick , and they are ( apparently for strength ) fluted in the ...
... covered with hairs . I have calculated that the total length of the tubing in the proboscis is slightly over an inch . The piercers are about 1-20th inch long , and 1-300th thick , and they are ( apparently for strength ) fluted in the ...
Страница 43
... covered with soot and light shes ) , most ineffective for heating the contents by downward absorption . By this alone nothing could be cooked at the bottom , and the residual beat that arrives there at last is barely sufficient . The ...
... covered with soot and light shes ) , most ineffective for heating the contents by downward absorption . By this alone nothing could be cooked at the bottom , and the residual beat that arrives there at last is barely sufficient . The ...
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