The boy's own book of indoor games and recreations : a popular encyclopædia for boys (1890)
Stables, Gordon, 1840-1910, Hutchison, George Andrew, 1841-1913 · Philadelphia : J.B. Lippincott · leaf 354
dial must be quite level, and thegnomon pointing due north. The line a c of the gnomon being made at theangle from the base equal to the latitude of theplace will be parallel to the axis of the earth, andwill show the hours correctly both on long andshort days, as the suns course is at right… … 2.—THE equatorial DIAL. The horizontal sundial would be suitable for all places north and south of theequator. But in southern latitudes the style must point due south instead of north,and the numbering must be done from right to left instead of from left to right.The method, however, already…
Games · Amusements
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