Unitron 4 inch refractor sold on Craigslist - Page 3 - Classic Telescopes - Cloudy Nights
Unitron Telescope Archives - DaveTrott.com
4” Unitron with weight drive – coming back home…. - Classic Telescopes - Cloudy Nights
Four-inch Unitron
Finds – Unitron History Project
Unitron 4" | Astronômico
Unitron Polarex Telescopes | Polarex Unitron 4inch Refractor 4inch ATO with very rare 75mm guide scope and Astro Physics rings, on an amazing equatorial mount and wooden tripod, ...
THE GEORGE H. LUTZ OBSERVATORY
Unitron Polarex Telescopes | Finally I found a unitron 4-inch refractor telescope
Unitron Refractors | In the early 1960s, when I was just get… | Flickr