Short description
Far and away the best, most thorough coverage of ideas, mathematics concerned, types, construction, adjusting anywhere. Simple, non-technical treatment allows even children to build several of these dials. Over 100 illustrations.
Long description
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.