WWII RCA CRV-47192 Navy Transmitter Tuning Unit (1942) DTF originally manufactured in England around

originally manufactured in England around 1944 (hence the model name)

and handwritten notations

Springfield Model 1873 Trapdoor Carbine Star Marked

Designed as a compact woods

WWII RCA CRV-47192 Navy Transmitter Tuning Unit (1942) DTF originally manufactured in England aroundWWII RCA CRV 47192 Navy Transmitter Tuning Unit (1942) Original RCA CRV 47192 tuning unit manufactured for the U. S. Navy Bureau of Ships under a February 23, 1942 contract. Designed for use with the CRV 52233 transmitter as part of the Model ATB radio equipment system, covering a frequency range of 3. 09. 05 MC. Features original tuning dials, calibration chart, internal coil assembly, and data plate. Untested surplus condition with strong collector