Sundials Their Construction and Use Author:R. Newton Mayall, Margaret W. Mayall Clearly written, easy-to-follow instructions for constructing a sundial on almost any surface and in virtually any position, with information on selecting appropriate materials, making Standard Time dials, and laying out hour lines. Dial furniture, portable sundials, constructing a heliochronometer (a highly precise solar timekeeper) and other s... more »ubjects also covered. Over 60 illustrations provide examples of scale models and actual dials from around the world.« less