Jones, H. Spencer (Harold Spencer), 1890- · London E. Arnold & co. · leaf 209
Fig. 63.—Level Error of TransitInstrument. 176 GENERAL ASTRONOMY … Fig. 64.- -Azimuth Error of TransitInstrument. when the instrument is rotated upon its axis, the axis of thetelescope—the coUimation error being neglected for thepresent—instead of moving in the meridian SZN, moves in thegreat circle SZJSl, whose pole is E-^^. If a star a is on this circle, it will…
Astronomy
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