Apollo Lunar Module temperature controller, featuring a black sensor plate with colorful wiring harness. The plate is engraved on one side, "Temperature Controller, Cox & Company, Inc., P/N 2456, GAC P/N LSC-340-1200-3, S/N 30," and on the other, "This surface must contact MESA structure." A label within the sealed packaging reads: "Nomenclature: Controller, Manufacturer's Part No. LSC-340-1200-3, Serial No. 30, Manufacturer: Cox & Co. Inc., Date of Packaging: 1-29-71." In fine condition.