[GreenKeys] Teletype / Boehme gear

Duncan Brown duncanancy at earthlink.net
Sun Nov 23 21:37:23 EST 2025


John,

Yes, this is for high speed Morse. Sometimes called a "Wheatstone 
Perforator" as Wheatstone came up with the original idea of the punched 
tape. But Wheatstone's unit only had three buttons: "Dot" "Space", & 
"Dash" and you actuated the buttons with little hammers. It was known as 
a "Mallet Perforator."

Edward Kleinschmidt developed the keyboard operated perforator in the 
1910-20 period.  It was manufactured & sold under the Kleinschmidt 
Electric, Morkrum-Kleinschmidt, and Teletype Corp. names and used up 
into WWII.

The "Kline" perforated two sets of holes to encode Morse and Boehme 
machines read the tape to key a TX. Note the WPM "Speedometer" goes up 
to 500wpm!

They have some at the Maritime Radio Historical Society station KPH 
(https://www.radiomarine.org). They might want some more.

Thanks for saving them!

Duncan
K2OEQ

On 11/23/2025 8:36 PM, John Lawson wrote:
>
>   So I stupidly drove a long way with my empty trailer to look at some 
> gear that was part of a now-closed museum.
>
> So about a ton of Stuff later, I have the pictured items (among many, 
> many other thingies – more nice TTY gear, will post later.
>
> Anyway – I suspect this is Teletype Morse Code gear – I dunno. 
> Hopefully someone will be able to identify this stuff.
>
> I also got several hundred feet of punched tape that I’m going to 
> transcribe and possibly archive.
>
> Cheers
>
> John KB6SCO
>
>
> ______________________________________________________________
> GreenKeys mailing list
> Home:http://mailman.qth.net/mailman/listinfo/greenkeys
> Help:http://mailman.qth.net/mmfaq.htm
> Post:mailto:GreenKeys at mailman.qth.net
>
>>>> Jordan Spencer Cunningham's GreenKeys Search Tool:https://teletype.net/gksearch
>>>> 2002-to-present greenkeys archive:http://mailman.qth.net/pipermail/greenkeys/
>>>> 1998-to-2001 greenkeys archive:http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:http://comcents.com/tty/greenkeyssearch.html
> This list hosted by:http://www.qsl.net
> Please help support this email list:http://www.qsl.net/donate.html
> Message delivered toduncanancy at earthlink.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20251123/f46129f3/attachment.html>


More information about the GreenKeys mailing list