These records document Smithsonian Astrophysical Observatory (SAO) projects and activities. Materials include proposals, quotations, bids, architectural drawings, and correspondence with contractors, equipment makers, and vendors to provide services, equipment, and instruments for SAO.
Smithsonian Institution Archives, Accession 05-291, Smithsonian Astrophysical Observatory, Subcontracts and Procurement Department, Federal Contracts
Smithsonian Institution Archives
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