United States. A Type B Air Force B-17 B-24 B-29 Intervalometer visually-hidden (1871-1957)

(1871-1957)

passing the Great Nodwengu Kraal and halting on the position which had been selected by Buller

in a large ruff and embroidered dress

while aboard the HM Submarine E13

round wire pin

United States. A Type B Air Force B-17 B-24 B-29 Intervalometer visually-hidden (1871-1957)Manufactured by J. P. Seeburh Corp of Chicago, IL, a Control, Bomb Release, Type B otherwise referred to as a intervalometer, used by US Army Air Forces bombardiers on B 17 and B 29 aircraft to control the spacing interval and number of bombs dropped per train to execute precise bombing patterns, measuring 24 cm (l) x 9 cm (h), near very fine.