Navy Transmitting Key Photos and Info

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note - "NT" stands for Navy Type - replace NT with Manufacturer's Code such as CRL, CMI, etc

1944 USN Training Film showing proper way to use a straight key

USS Brooklyn, 1938 - What model control panel key is being used?

CONTROL PANEL KEYS
NT-23005A key and control panel	Installed on BB-55 USS North Carolina	for 4-wire control system uses NT-26001 key	manuf by Phila. Navy Yard
NT-23146 key and control panel photo - www.morsekey.net	These units were flush-mounted at main radio station desks	Uses NT-26012 key Pushbutton ON-OFF	C??-23146 - Columbia Electric & Manuf. Co. CRL-23146 - Remler

SB-315A/U key and control panel	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	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	Tabet - prototype? s/n 008		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)
SB-315B/U key and control unit
KEYS
SE-68A auxiliary hand key Bureau of Steam Engineering - early key Manuf by Boston Navy Yard
SE-86 key Bureau of Steam Engineering - early flameproof key		--	Manuf by Marconi Wireless
SE-953 key Bureau of Steam Engineering - early key
SE-1443 key Bureau of Steam Engineering - early key
SE-3546A key Bureau of Steam Engineering - early key Manuf by Boston Navy Yard

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NT-26001 key CLT-26001-B		CLT-26001-B
CLT-26001 - Lundquist Tool CAKU-26001 - Winslow Tele-tronics CSE-26001 - Signal Electric others	see Artifax web site for more info also see W1TP web site for more info	another photo here another photo here another photo here	--
NT-26003 key Aircraft use - I don't think this key was used for shipboard or shore radio. (Note - There was also a shipboard signaling lamp version)	CMI-26003A flameproof key	CTE-26003A flameproof key	CMI-26003 - Molded Insulator CTE-26003 - Telephonics CJB-26003 - Bunnell CMK-26003 - McElroy others see Artifax web site for more info
NT-26009 semi-automatic key	Photos show the civilian version of CMK-26009		CMK-26009 - McElroy - more photos & info here
		The Navy version had "PROPERTY OF U.S. NAVY" cast into the base.
NT-26???? semi-automatic key	Photos thanks to Tim K4TJP another photo here	semi-automatic key (bug) Casting says "PROPERTY OF U.S. NAVY"	manuf CJB - Bunnell
NT-26??? semi-automatic key	1952-era Vibroplex Lightning Bug with Navy markings "Stk.#N17-K-40920-1001"
NT-26012 key	photo thanks to WF2U	insulated straight key with slot for wedge connection to a bug another photo here another photo here another photo here	CAPH-26012 - Telegraph Apparatus CLT-26012 - Lundquist Tool CMH-26012 - ? see Artifax web site for more info see W1TP web site for more info
NT-26018 key		manuf CSE - Signal Electric
NT-26021 key	26021? - Bunnell key, with anchor stamp on metal base. No Navy marking on the key itself	Bunnell key, with CJB-26021 on wooden base (thanks to NN8B)	More CJB-26021 photos here
NT-26022 key			CAQZ-26022 Brelco
NT-26026 key		flameproof straight key used with TBX-8 another photo here	CAQZ-26026 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	-