4″ (102mm), FL 1500mm; Photo-Equatorial Refractor – complete with Equatorial mounting and slow motion controls for both declination and R.A., setting circles and veniers, tripod with levels, tripod shelf, 10X-42mm viewfinder, super rack and pinion focusing mechanism with clamps, 7 eyepieces, choice of UNIHEX or star diagonal and erecting prism system, sun projecting screen, solar aperture diaphragm, sunglass, pocket eyepiece case, dewcap, dustcap, wooden cabinets
The 2.4″ Photographic Guide Telescope with UNICALMP Mounting brackets, 78X(9mm) crosshair eyepiece, star diagonal, and UNIBALANCE tube assembly
Additional accessories available: DUETRON double eyepiece, Astro-Camera 220 with Accessories, 4″ UNICLAMP Camera Bracket, Clock Drive, Metal Fixed Pier
The model featured was owned by Gerald Elkin. It was purchased in July 2011, but sold in June 2014. It appears to be from the 1970’s. It is a 155C with the Clock Drive.