n iii.Luii.s-, mcccxxxn.j’/b/e 
Diagram showinq a comparison between the JSLo oris paraHaec con'eetion in. the interval and in, the 
height as deduced from theory and from observations at the London DocJcs. See 1'oJde .XKX . 
INTERVAL HEIGHT 
In these curves the abscissa represents the time of the t Moon’s transit 
two days prevails. Obscn'ation Theory 
Settle of one Foot 
