Dial types in perspective a very simple overview of the dial types and how they relate. Now also in apx 1 of the appendices Planispheric astrolabe Polarizing dial Glass dials Clay dials Engraved dials Inclined decliners Old wives trick North and south hemispheres Reverse engineering a dial Wall declination calculation What time was a photo taken given date and location. Altitude and azimuth dials used at other than their design altitude 2014 |
Nocturnal dial template Astrolabe formula Equation of time notes Lunar dial plate and protractor Ecliptic dial and calendar Star clocks Ceiling or reflecting dials (also see spreadsheet) Gnomonless single armillary gnomonless Gnomonless open book dial gnomonless A short review of geometry, and 3d geometry, and trigonometry How the sun makes hour lines (pdf) The slide rule and the sundial The nomogram and the sundial Dialling scales Middleton, Foster, Serle dialling ruler |
Free books are here for example Micro Shadows Simple Shadows Cubic Shadows and paper cutout dials and paper popup dials |
The enormous appendices are free. The CASE STUDIES here are also free. The 400 page book Programing Shadows is also free. The 140 page book Supplemental Shadows is also free. |
The links below are to old material, now revised and updated and included in the main book or appendices The booklets below are NOT updated, use and enjoy, but better to get the current big book |
FREE PAMPHLETS THE OBSOLETE MATERIAL BELOW IS UPDATED AND NOW IN THE BIG BOOK "Illustrating Time's Shadow" THE APPENDICES , THE SUPPLEMENT, or PROGRAMMING SHADOWS some of the older pamphlets refer to the geocities web site which no longer exists please disregard references to www.geocities.com |
new article added |