Free Sun Tracker plans - This weeks project has had my interest for some time now. It's sort of a scientific instrument that's more fun than science. I first saw this device when my brother Ron got it for a birthday present. A friend of his made it from plans he found in a German book on things that measure our environment. I've since lost the title of the book but will try to find it for you. It's all in German and since I don't read German it was a little difficult to figure out. The book called it a Heliograph Mit Laborkolben but I call it a Gizzie.
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Free Sun Tracker plans - This weeks project has had my interest for some time now. It's sort of a scientific instrument that's more fun than science. I first saw this device when my brother Ron got it for a birthday present. A friend of his made it from plans he found in a German book on things that measure our environment. I've since lost the title of the book but will try to find it for you. It's all in German and since I don't read German it was a little difficult to figure out. The book called it a Heliograph Mit Laborkolben but I call it a Gizzie.
