In this astronomical chart Gibbes provides a diagram and the elements for constructing the diagram. Those elements are hourly motion, declination, hourly motion in declination, horizontal parallax and semidiameter. Gibbes also provides the result times of the eclipse including the beginning, total, opposition, middle, end of total, general and duration of eclipse. The diagram shows the central path for the moon during the eclipse.
In this astronomical chart (front and back) Gibbes provides a diagram and the phases and calculations of a total lunar eclipse including the moon entering the Earth's shadow, total eclipse, middle of eclipse, end of eclipse and the moon leaving the Earth's shadow. On the back of the diagram Gibbes denotes that this chart was made for his classes at the College of Charleston in Charleston, S.C.
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Lewis R. Gibbes Papers, 1800s-1893, 1937✖[remove]3
