Documents of the City of Boston, Volume 2 |
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Page 122
Is that ( referring to map ) a true delineation of the direction of the tide at that place ? A. It is a little bit too straight . Q. This is ebb - tide ? A. The ebb - tide runs just about straight down there ; the floodtide does not run ...
Is that ( referring to map ) a true delineation of the direction of the tide at that place ? A. It is a little bit too straight . Q. This is ebb - tide ? A. The ebb - tide runs just about straight down there ; the floodtide does not run ...
Page 52
Q. Let us understand what an alternating current is whether or not it is not a current of electricity , the flow of which , through a wire , is very frequently interrupted , so that it flows in one direction , say , with an electro ...
Q. Let us understand what an alternating current is whether or not it is not a current of electricity , the flow of which , through a wire , is very frequently interrupted , so that it flows in one direction , say , with an electro ...
Page 53
Q. Now , the flow of the continuous arc current is all the time in one direction , is it not ? A. Substantially , but in nearly all machines with considerable variation in velocity . Q. How much in a two - thousand - volt current ?
Q. Now , the flow of the continuous arc current is all the time in one direction , is it not ? A. Substantially , but in nearly all machines with considerable variation in velocity . Q. How much in a two - thousand - volt current ?
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