Assortment of components used in the assembly and testing of the Mars Viking Orbiter spacecraft: an "Electro-Adapter," measuring 5″ long and 1.5″ in diameter, with part numbers on the side, "Part No. 10050818, Rev. C, Cur. Limiter," "2004EA13P1," and "2004EA13J1"; a tiny glass lens in a plastic case, marked "Secondary Mirror, Uncoated, 47198-2, 555692," inside a larger plastic case with part identification tag dated September 26, 1975; and two wrench retainer pieces inside a plastic case, marked "2666-44-52, P/N 27453-1 & -2, Wrench Retainer," with part identification tag dated October 1, 1975, marked "Wrench Retainers, Viking, Two Parts," contained inside a larger plastic case. In overall fine condition.
