



It used a spherically ground metal primary mirror and a small diagonal mirror in an optical configuration that has come to be known as the Newtonian telescope. 230000003287 optical Effects 0.000 description 27 Isaac Newton has been generally credited with building the first reflecting telescope in 1668.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to NL932048X priority Critical Application filed by Optische Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV Application granted granted Critical Publication of US2504383A publication Critical patent/US2504383A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Optische Industrie de Oude Delft NV Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US635686A Inventor Bouwers Albert Becker Johannes Adriaan Hendrik Van Gorcum Current Assignee (The listed assignees may be inaccurate.
#REFLECTING TELESCOPE PDF#
Google Patents Reflecting type telescope having a spherical mirrorĭownload PDF Info Publication number US2504383A US2504383A US635686A US63568645A US2504383A US 2504383 A US2504383 A US 2504383A US 635686 A US635686 A US 635686A US 63568645 A US63568645 A US 63568645A US 2504383 A US2504383 A US 2504383A Authority US United States Prior art keywords mirror telescope main mirror aperture corrector Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2504383A - Reflecting type telescope having a spherical mirror US2504383A - Reflecting type telescope having a spherical mirror
