Arkivism
Close-up of a Post Office Dept. mail plane equipped with the new experimental radio apparatus with which the Dept. hopes soon to make possible night flying. The little lead fish at the bottom of the picture is let out while flying and carries with it a long copper wire which serves as the antennae.
Public domain

Close-up of a Post Office Dept. mail plane equipped with the new experimental radio apparatus with which the Dept. hopes soon to make possible night flying. The little lead fish at the bottom of the picture is let out while flying and carries with it a long copper wire which serves as the antennae.

Harris & Ewing · 1922-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
washington (d.c.)district of columbiaglass negativesunited states
Credit lineClose-up of a Post Office Dept. mail plane equipped with the new experimental radio apparatus with which the Dept. hopes soon to make possible night flying. The little lead fish at the bottom of the p. 1922-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
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