Planetary Exploration -The Mariner Program, collection of photographs and documents including the following gelatin silver prints provided by the Jet Propulsion Laboratory, 3 prints from Mariner 7, titles recto ‘Mariner 7, Top and Frame Number, each with JPL Office of Public Information description verso c.1969, each image 24cm x 19cm, with three JPL Status Bulletins July 31 1969, August 3 and 5 1969, 10 JPL large sheet film negatives of the surface of Mars (sheets approx 15.5cm x 12.5cm)