Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 75
TRANSIT INSTRUMENT. Fig. 26, one horizontal and five vertical: the latter beingparallel to each other, and separated by equal intervals;1 FIG. 26. … 1. See note 1, to Art. 103. Of what does Chapter IV treat 1 . How can we ascertain that the earth moves uni-formly on her axis 1 Describe the transit instrument 1 68 THE EARTH VIEWED ASTRONOMICALLY. 1, 2; 2, 3; 3, 4; &c. These wires are situated in thefocus1 of the eye-glass atF, Fig. 25, their…
Astronomy
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