A cylindrical Lunar Module Surge Tank, a part of the Environmental Control System, measuring approximately 7″ long and 3″ in diameter, sealed in its plastic bag with the original NASA parts label, noting: “Manufacturer’s Part No. LDW330-10040-1,” “Contract No. NAS 9-1100,” “Date of Packaging 1-31-69,” and “Cleanliness Level LSP-14-0011 Level G.” The bag bears several affixed warning labels reading, “Do Not Open, Except in Controlled Environmental Facility.” In fine condition, with general soiling. Provenance: Charles Bell Estate.