Mount Wilson Observatory | Building the 60-inch Telescope
2018/03/09· Ritchey's grinding machine now rests in the Smithsonian. Photo: Carnegie/ Huntington Library Photo: Carnegie/ Huntington Library Despite these extraordinary precautions, the entire surface of the mirror was deeply scratched by an unknown substance in one of the polishing compounds one day in April, 1907, just as it was .
Mount Wilson Observatory | Building the 100-inch Telescope
2018/05/11· In recognition of his achievements, the Space Telescope, a 94-inch telescope that will orbit the earth, has been named the "Hubble Space Telescope." Another important user of the 100-inch telescope was already close at hand long before it was built, but at that time he did not seem destined to become one of the great figures .
A Look at the Future of Amateur Telescope Makers - .
2020/02/26· Aaron and his fixed-post grinding machine in action. Sub-f/4 mirrors and big Dobs aren't the only reason some of us make our own telescopes and mirrors, however. It sure wasn't what I was thinking when I started with my 6", and it's surely not what Anton Grankin, 16, is thinking either.
Mount Wilson Observatory | Building the 60-inch Telescope
2018/03/09· Ritchey's grinding machine now rests in the Smithsonian. Photo: Carnegie/ Huntington Library Photo: Carnegie/ Huntington Library Despite these extraordinary precautions, the entire surface of the mirror was deeply scratched by an unknown substance in one of the polishing compounds one day in April, 1907, just as it was .
grinding machine karl size telescope
Grinding Machine for Large Telescope Mirrors 2017-8-9 · Grinding Machine for Large Telescope Mirrors I designed and built a grinding machine for mirrors up to 42 inches [1.1m] in diameter. By slipping on and off a couple of belts, the machine can quickly be reconfigured for spinning work or for stroking work.
Grinding Machine Karl Size Telescope - Powder Grinding .
Throughout the grinding and final lapping stages the objective has been to reduce pits and scratches to the smallest possible size however no amount of grinding can produce a surface smooth enough or sufficiently transparent to meet the needs of a firstclass telescope objective different techniques are Grinding Machine Karl Size Telescope