Back view of Radio Field Instruments used by the Signal Corps of the during World War One. The image displays a Dynamotor and Panel Type #2 with a voltage of 12/350 volts. This instrument was designed for use with the #67 Radio Telephone Set and the photo also shows the Dynamotor Brushes. Publication not permitted. (Date: April 24, 1918. Notes: 87469)

---

Size: 9183px × 6305px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: #2, #67, .., ..., 1, 11, 111-sc-7469, 12/350, 23, 24, 1918, activities, american, april, brushes, corps, deberri, dynamotor, field, instruments, issura, lt., med, military, notes, panel, photographs, photography, publication, radio, set, sig., sign, signal, telephone, type, view, volts, war, world