A Tour of Optical History at the Astronomical Lyceum An online presentation hosted by Skyscrapers, Inc. on Zoom Presented by John Briggs Our forefathers in optics allowed a revolutionary ascendancy of American astronomy in the 19th and early 20th...
Travels into Astronomical History with the ATS Presented by: Ken LumDate:2022-07-20 The principles of both refractor and reflector telescopes were invented in the 17th century as shown in my last presentation. Then, the techniques of how to make...
