Mcknight's blogs
Fascinating Galileo Telescope Techniques That May Also Help Your Corporation Develop
By McknightVol. 213. Louis Elsevier., translated in Crew, H.; de Salvio, A., eds. McLeod, Hugh, and Werner Ustorf, eds. Avoid telescopes that use the older style 0.96″ size eyepieces as a result of they usually use H type or Huygenian eyepieces which are...