Archives Catalog Entry
According to Victor Neher, was used on Mariners II and IV in 1962 and 1964. Does not have inner quartz system. Note: 10/11/91: According to Dr. Neher, the Smithsonian has a copy of Mariner II which includes this type of ionization chamber. Inscribed by Neher: "the last chamber."
Jan. 1, 1962
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