A motor-driven interrupter, photographed by the Signal Corps during World War One. The photo was received on March 10, 1921. The interrupter is labeled as "Cocoo IP-2" and is the first model manufactured by Universal Machine Co. in Baltimore, MD. The item number is 48264.

---

Size: 8438px × 5749px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 3-10-1921, 64, 482, 48264, activities, american, baltimore, cocoo, corps, driven, fiq-3, interr, interrupter, ip-2, issued, machine, md, military, model, motor, notes, photograph, photographer, signal, symbol, universal, war, world