Jones, H. Spencer (Harold Spencer), 1890- · London E. Arnold & co. · leaf 182
t. The curves joining points at which the echpsebegins, ends or is middle at sunrise meet on these lines. TherewiU be similar curves joining points at which the eclipse begins,is middle or ends at sunset. The point of Last Contact atwhich the shadow leaves the earth will be on the line Echpseends… … 154 GENERAL ASTRONOMY eclipse : this path must end on the lines at which the middle ofthe eclipse occurs at sunrise and sunset, since totahty takesplace at mid eclipse. It is also customary to give on thediagram curves joining the points at which the eclipse beginsor ends at certain hours of…
Astronomy
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