Navy Transmitting Key Photos and Info

brooklyn-1938.jpg (109505 bytes)
US Navy photo - USS Brooklyn, 1938
What model key is being used?

CONTROL PANEL - KEY
NT-23005A key and control panel nt-23005a.JPG (128806 bytes)
Installed on BB-55 USS North Carolina 		 for 4-wire control system

uses 26001 key

 manuf by Phila. Navy Yard
NT-23146 key and control panel c23146-key-01.jpg (41090 bytes)
photo - www.morsekey.net

key-crl23146-03.jpg (45786 bytes)

 These units were flush-mounted at main radio station desks
Uses NT-26012 key
Pushbutton ON-OFF

key-crl23146-01.jpg (71376 bytes)

 manuf 
   C?? - Columbia Electric & Manuf. Co.
   CRL - Remler

key-crl23146-02.jpg (75709 bytes)
SB-315A/U
key and control panel		 sb315a-u-key-01.jpg (43156 bytes)
not original key		 These units were flush-mounted at main radio station desks
Pushbutton ON-OFF

What key was originally installed?

 manuf National Electrical Machine Shop
SB-315(X)/U key and control unit sb315xu-key-01.jpg (25644 bytes)
photo - www.morsekey.net		 (X) indicates prototype
Key is J-37 modified for insulated contact - but it appears this is not original - it probably had enclosed key as shown below

These units were flush-mounted at main radio station desks
Momentary toggle ON-OFF
Extra key jack (for bug)

 manuf Tabet

see Artifax web site for more info
SB-315B/U key and control unit  

sb315b-u-111.jpg (41564 bytes)
Tabet - prototype? s/n 008

sb315b-u-305.JPG (50040 bytes)

sb315b-u-301.JPG (49636 bytes)

sb315b-u-key-202.jpg (26035 bytes)

manuf Dittmore-Freimuth Corp
manual NAVSHIPS 98983

These units were flush-mounted at main radio station desks
Enclosed key
Momentary toggle ON-OFF
Extra key jack (for bug)

KEY
SE-3546A Bureau of Steam Engineering - early key

key-se3546a-01.jpg (14401 bytes)

 key-se3546a-02.jpg (11415 bytes) key-se3546a-03.jpg (11353 bytes)
NT-??????
semi-automatic key		 photo here semi-automatic key (bug) similar to J-36 manuf CJB - Bunnell
NT-26001 key key-clt26001b-01.jpg (78425 bytes)
CLT-26001-B		 straight key

another photo here
another photo here
another photo here

 manuf  CLT - Lundquist Tool
           CAKU - Winslow Tele-tronics
           CSE - Signal Electric
           others

see Artifax web site for more info
also see W1TP web site for more info
NT-26003 key CMI-26003A-key.jpg (14630 bytes)
CMI-26003A flameproof key		 CTE26003A-key.jpg (26763 bytes)
CTE-26003A flameproof key

Aircraft use - Was this also used for shipboard or shore radio?
(Note - There was also a shipboard signaling lamp version)

 manuf CMI - Molded Insulator
          CTE - Telephonics
          CJB - Bunnell
          CMK - McElroy
          others

see Artifax web site for more info
NT-26012 key CRL- 26012_key_1.jpg (14371 bytes)
photo thanks to WF2U		 CRL- 26012_key_2.jpg (10298 bytes)
insulated straight key with slot for wedge connection to a bug
    another photo here
    another photo here
    another photo here		 manuf CAPH - Telegraph Apparatus
          CLT - Lundquist Tool

see Artifax web site for more info
see W1TP web site for more info

NT-26018 key key-cse26018-01.jpg (30317 bytes) manuf CSE - Signal Electric

key-cse26018-02.jpg (36775 bytes)

 key-cse26018-03.jpg (32774 bytes)
NT-26026 key photo here flameproof straight key
used with TBX-8		 manuf CAQZ Brelco
see W1TP web site for more info
see Artifax web site for more info
NT-26032 key photo here straight key used with OAH code practice set