New in unopened can
Tear tab with pliers
Jan 27 1954
U.S. Navy Bureau of Ordnance Synchro Differential Transmitter
MK. 13 MOD. 4 Type 1 HDG Weight 1.4 LBS. SER. NO. B-5048
Bendix Aviation Corporation Montrose Division
90/90 V., AC 60 CYCLE ORD. DWG. 950509
MFG's Part NO. 2325-1-B