Sundials: Their Theory and Construction by Albert E. Waugh
ISBN: 9780486229478
Dover Publications Inc, Feburary 2000
230 pages, Paoerback
This fascinating approach to sundials offers a rigorous appraisal of the science of sundials, including mathematical treatment and pertinent astronomical background. It also provides a nontechnical treatment simple enough that several of the dials can be built by children. 106 illustrations.