Saturn Launch Vehicle Exploding Bridge Wire (EBW) Pulse Sensor, the orange box measuring 6″ x 2.25″ x 1.75″, with a NASA George C. Marshall Space Flight Center tag on the top, reading: "EBW Pulse Sensor, Assy No. 40M02852, Contr. No. NAS-w-410, Serial No. 551, Mfd by Sanders Assoc. for G.E." Stamped on the side with a testing date of March 31, 1966. The bottom bears an additional NASA Property/Douglas Aircraft Co. tag, reading: "Dept. A3-164, Nomen. Pulse Sensor, P/N 40M02852, Ser. No. 551, Contract NAS9-6555." In fine condition.