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A "NEW" APPROACH FOR TESTING OPTICAL TRAINS - posted for Samuel de Roa

Posted by Paul Walsh 05/05/2012 12:00AM

Trying to corner a long-term concern in the astro-amateur world through the “slanted edge” method


Comments:

  • astrobart [Ivan Galuzin]
  • 10/12/2019 09:47PM
Hi, the links seem to be expired, could you please upload again?
Bart