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, ... | Facebook
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University Home to Rare, Vintage Unitron Telescope · Castleton University
Company Seven | Unitron Model 142 - 3 inch (75mm) Achromatic Telescope & History
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Unitron Telescope Archives - DaveTrott.com
Unitron History Project – Preserving the history of Unitron/Polarex telescopes
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Unitron 152 Telescope pre1956 - YouTube
VINTAGE 1960S UNITRON MODEL 760 D60MM F700MM REFRACTOR TELESCOPE IN WOOD BOX | eBay
Unitron Model 114 Telescope - Classic Telescopes - Cloudy Nights