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 uncoated witness piece of glass secured in a plastic case with part identification tag, housed inside a larger plastic box marked "NAS 2666 47168"; and a two tiny uncoated witness pieces of glass secured inside cotton pouches, annotated "Item 6, Uncoated Witness Piece for P/N 47168-4," with a part identification tag dated September 26, 1975, marked "2 PC Witness, Teledyne Viking," inside a larger plastic case. In overall fine condition.