Contents Include; Cover-Standing in 60 Acre site within Lassen National Forest is the University of California's new 85ft Aluminum Clad Radio Telescope, The Astronomical Unite, Radio Observers at Hat Creek California, Variable Stars of Low Intrinsic Luminosity, Observing Jupiter, A Simple Radio Telescope, Cornonagraph above the Atmosphere, Amateur Astronomy in Pittsburgh, Canadas First Plantetarium, Telstar The Communications Satellite,Some wear that is slight, soiling of cover corners and some creasing on cover edge, Overall Good Condition!