This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Mirror Transit Telescope Aims For Precise Star Timekeeping
A specialized astronomical instrument of 1894 concept, now developed in Russia and England, uses a fixed horizontal telescope with a large central mirror and two smaller mirrors to minimize human and mechanical errors. The 600 pound steel axis and fused quartz bearings ensure ultra high accuracy, with six months to craft the main mirror costing over $2,000 and nightly observations verified by cameras.
MENTIONED IN THIS ARTICLE
Russia
England
Ing