Word: meridian
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...rather ambitions plan for the extension of astronomical investigation, which contemplates the support of researches conducted at other places by funds administered at Harvard. During the past year the Observatory has lost the services of Prof. Rogers, for a long series of year an indefatigable worker with the meridian circle. As a memorial to the late Prof. Henry Draper, the study of the photography of stellar spectra undertaken by him is now, through the liberality of Mrs. Draper, being prosecuted on a scale appropriate to the advance in this department of science, and forms an important extension of the work...
Smith College is to have an observatory, with a 4 inch meridian circle and an 11 inch equatorial...
...after Sunday, November 18, 1883, the telegraphic time-signals sent automatically from this Observatory will conform to the time of the seventy-fifth meridian, to be known as "Eastern Time." This time is exactly five hours slower than Greenwich Mean Time. and 15 minutes 44.5 seconds slower than Boston State House Time heretofore furnished. It is intended that the new time shall be given to the public at noon on the Sunday named above; but as the Observatory signals are the means by which the persons in charge of -public time-pieces will make the necessary preparation for the change...
...great work done with the meridian circle from 1870 to 1879 would now be ready for publication were it not that the serious illness of Professor Rogers has interfered with its completion...
...Completing the work of the small meridian photometer. During three years this instrument has been used in measuring the light of all the stars visible to the naked eye. There have been nearly a hundred thousand of these measurements, being the largest piece of photometric work ever accomplished. A large instrument of the same form has been constructed, and, with it, it is proposed to examine and determine the light of some nine thousand stars...