A metal LM Coldplate made by Avco Aerostructures Division and used for cooling electronics, 25 x 3, labeled in black text as“Cold Plate Assy” and “Mfg. Part No. 16-10006-3,” with additional part numbers engraved below, “Unit No. SN 199” and “Serial No. AVO26.” Sealed in a brittle plastic bag bearing affixed warning labels on both sides, reading, “Do Not Open, Except in Controlled Environmental Facility.” In fine condition, with some toning to metal and plastic. Provenance: Charles Bell Estate.