The Technical World Magazine, Volume 7Technical World Company, 1907 |
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Page 15
... tubes that come down over the heads of the work- ers ? " was our next question . " Those pipes " They average from a dollar to a dol- lar and a half a day . " " That's pretty good money for young boys to make . I should think you could ...
... tubes that come down over the heads of the work- ers ? " was our next question . " Those pipes " They average from a dollar to a dol- lar and a half a day . " " That's pretty good money for young boys to make . I should think you could ...
Page 16
... tubes for small vials , " said the foreman , anxious to change the subject , and we passed back into another part of the room . It is no wonder that a blower never sends his son to the glass works to make a living . It is impossible to ...
... tubes for small vials , " said the foreman , anxious to change the subject , and we passed back into another part of the room . It is no wonder that a blower never sends his son to the glass works to make a living . It is impossible to ...
Page 40
... tube used by Branly was a tube of some insulating material - usually glass-- traversed by two conductive rods between which metal filings were inserted without any noticeable pressure . ( See Fig . 1. ) This tube was found to become ...
... tube used by Branly was a tube of some insulating material - usually glass-- traversed by two conductive rods between which metal filings were inserted without any noticeable pressure . ( See Fig . 1. ) This tube was found to become ...
Page 41
... tube or radio - conductor above de- scribed . This plays the same rôle , then , in regard to electric vibrations ... tubes , production of X - rays , ig- nition of combustible bodies , explosion of mines , etc. It would also make ...
... tube or radio - conductor above de- scribed . This plays the same rôle , then , in regard to electric vibrations ... tubes , production of X - rays , ig- nition of combustible bodies , explosion of mines , etc. It would also make ...
Page 93
... tube at an angle of 45 ° reflects the im- ages thrown on its surface downward to a parallel mirror within the submarine . This is the simplest type of periscope . The French have improved upon this form . Two tubes instead of a single ...
... tube at an angle of 45 ° reflects the im- ages thrown on its surface downward to a parallel mirror within the submarine . This is the simplest type of periscope . The French have improved upon this form . Two tubes instead of a single ...
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