Sundials, Circular of the Bureau of Standards, No. 402
DEPARTMENT OF COMMERCE WASHINGTON DC
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This circular gives instructions for the construction of a horizontal sundial, with drawings showing the method of laying out the dial. It also gives a table showing the equation of time, some mottos that have been used on sundials, and a bibliography of books on the subject of sundials. It also provides a short introduction on sundials.
- Test Facilities, Equipment and Methods