Sunshine and Shade in AustralasiaThis popular book is now in its sixth edition. Sunshine and Shade in Australasia is a study of the principles involved in finding the extent and direction of sunlight and shadows on buildings and includes a series of charts showing different hours and seasons for the latitudes of Australia, New Guinea and New Zealand. The procedure for using the charts is included as is an acetate shadow-angle protractor. |
From inside the book
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160 Latitude 20 Altitude Angles 24 The centre Adelaide altitude in degrees appropriate lines intersect APR 21 MAR azimuth Brisbane Broken Hill concentric circular lines crossed by lines curved lines represent dates and latitudes diagram represents equinoxes FEB 16 JAN find the sun's Geraldton heavy curved lines horizontal plane horizontal shadow angle JAN 22 DEC JULY 31 JUNE 19 JULY JUNE 26 latitude 35 line drawn lines indicating hours MAR 26 FEB noon altitude Northern Territory NOV 22 DEC observer's position Oodnadatta outer graduated circle path for selected Perth Port Augusta Port Hedland Rabaul rays is shown reference longitude represent the sun's represents the observer's required conditions select the point selected dates SEP 17 OCT shadow-angle protractor solar charts south SSE sun's altitude sun's path sun's position sun's rays Sydney Tennant Creek Townsville true north vertical shadow angle window WNW 21 JUNE WSW 27 NOV