Sun Dials and Time Dials: A Collection of Working Models to Cut and Glue TogetherCode: INS0150
Auteurs: Gerald Jenkins , Magdalen Bear
Uitgegeven: June, 1988
A collection of working models of sundials and timedials to be cut out and glued. The models include polar, equatorial, sunbeam equatorial, traditional, three-in-one and a nocturnal dial and include a minibook which gives background information, projects and investigations.