Description

(The calculus is used primarily for ease of notation

or discover

and other structural elements

Samuel Hopkins Adams

Sundials (The calculus is used primarilyHave you every wanted to build a sundial or to understand how one works? Then you have probably been frustrated as you search vainly for help. Most books on the subject are either rare out of print works published centuries ago and available only in highly specialized collections, or highly complicated treatises whose information is hidden behind frightening arrays of involved formulas. But now your search is over. This book is designed to meet

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