5" Unitron at a local observatory. Donated in the 1970s, made even earlier. They even have a hexagonal eyepiece turret. : r/telescopes
Do I NEED a Unitron? - Classic Telescopes - Cloudy Nights
My current Polarex (Unitron) 102 mm Refractor ( Andre van Zegveld ) - AstroBin
THE GEORGE H. LUTZ OBSERVATORY
Unitron Telescope Archives - DaveTrott.com
Lot - UNITRON TELESCOPE
Unitron/Polarex Model 114 60mm Review
THE GEORGE H. LUTZ OBSERVATORY
Company Seven | Unitron Model 132 - 4 inch (102mm) Achromatic Refractor Telescope & History | Telescope, Seventh, Astronomy
Unitron 152 Telescope pre1956 - YouTube
What is a Unitron worth? - Classic Telescopes - Cloudy Nights
Unitron/Polarex Model 114 60mm Review
Unitron/Polarex Model 114 60mm Review
Unitron Telescope And Tripod
Unitron Telescope Model #150 - "Ad / Data Sheets - Set of (8) + 220 Astro Camera | eBay
Company Seven | Unitron Model 114 - 2.4 inch (60mm) Achromatic Telescope & History
Unitron 4" | Astronômico
Unitron Telescope, c. 1950s | Gooding & Company
Company Seven | Unitron Model 114 - 2.4 inch (60mm) Achromatic Telescope & History
Lot - UNITRON TELESCOPE
Company Seven | Unitron Model 114 - 2.4 inch (60mm) Achromatic Telescope & History
Unitron Polarex Telescopes | Top of the day! I took my 75mm Unitron model142 and set it up on my Celestron VX mount to take this image of Mars last night | Facebook
Restoration of a Unitron 114 Telescope - YouTube
Unitron History Project – Preserving the history of Unitron/Polarex telescopes
Unitron 2.4 inch Refractor Telescope, Model 128 | GovDeals