The Technical World Magazine, Volume 4Technical World Company, 1906 |
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Page 4
... minutes respectively , on May 9th , 1929 , and June 20th , 1955. While we write of this , perhaps the longest totality that humanity will witness for a thou- sand years , it is worth while to call atten- tion to its companion , the ...
... minutes respectively , on May 9th , 1929 , and June 20th , 1955. While we write of this , perhaps the longest totality that humanity will witness for a thou- sand years , it is worth while to call atten- tion to its companion , the ...
Page 16
... minutes at most ( three minutes ' to- tality is considered a long eclipse ) , visual observation is naturally limited ; and for study and measurement there is no time at all . All this is changed now , when the camera is worked to its ...
... minutes at most ( three minutes ' to- tality is considered a long eclipse ) , visual observation is naturally limited ; and for study and measurement there is no time at all . All this is changed now , when the camera is worked to its ...
Page 17
... minutes 58 seconds ) , the darkness . is more intense and artificial lights be- come necessary . There is one other ... minute before and after totality . ( d ) Photographic measurement of the in- tensity of the light at different stages ...
... minutes 58 seconds ) , the darkness . is more intense and artificial lights be- come necessary . There is one other ... minute before and after totality . ( d ) Photographic measurement of the in- tensity of the light at different stages ...
Page 19
... minutes 40 seconds ; near Valencia , at Sagunto , where party No. 2 will prob- ably locate , it is 2 minutes 29 seconds ; and at Sauk Ahauras it is 3 minutes 34 seconds , so that it is easily seen there is no time to waste . Each of the ...
... minutes 40 seconds ; near Valencia , at Sagunto , where party No. 2 will prob- ably locate , it is 2 minutes 29 seconds ; and at Sauk Ahauras it is 3 minutes 34 seconds , so that it is easily seen there is no time to waste . Each of the ...
Page 26
... minute hand going around . The works take up a whole chamber ; the pendulum is splendidly balanced , and hangs down into the rooms below , through the floors . Two men require ten minutes to wind up the clock's works , and this has to ...
... minute hand going around . The works take up a whole chamber ; the pendulum is splendidly balanced , and hangs down into the rooms below , through the floors . Two men require ten minutes to wind up the clock's works , and this has to ...
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