[GreenKeys] Wheatstone Tape Perforator - Kleinschmidt, Creed, Teletype, Boehme

[Alf Fisher]

Hi Duncan,
We had a  Creed Morse perforator in the Signals Museum that used to be at
RAF Henlow in Bedfordshire.
73, Alf G3WSD.



On Wed, 23 Sept 2026, 16:38 Duncan Brown via GreenKeys, <
greenkeys at mailman.qth.net> wrote:

> Wheatstone's original Morse perforator only had three keys: Dot; Space;
> Dash. You hit the keys with little hammers, using both hands. It was also
> known as a "Mallet Perforator."
>
>
>
> Later, Wheatstone added pneumatic power to make punching easier.
>
> Edmund Kleinschmidt added a keyboard, with all the letters of the
> alphabet, plus special Morse characters such as *BT* & *AR* and a "COMB"
> key that could combine letters.  It was powered by a 110VDC solenoid.  His
> original design was sold under the "Kleinschmidt Electric",
> "Morkrum-Kleinschmidt", and "Teletype" names.
>
> These perforators were used up through WWII and it may have been that
> Teletype Corp. could not supply them fast enough during the war, so the
> government also gave a contract to Boehme.  (This is supported by the fact
> that United Press had to import Creed perforators during the war.  See
> Below.)
>
> On 9/22/2026 1:13 PM, Nick England via GreenKeys
>
> A Creed unit in the V&A Museum says
>   "KLEINSCHMIDT PERFORATOR PATENTED - PAT'S PD'G CREED & CO. LTD. LONDON
> SOLE AGENTS SERIAL NO. 1244 VOLTS 110-120"
> https://collections.museumsvictoria.com.au/items/409646
>
> This perforator has what looks like a polar relay laying on top of it.
> The polar relay was not part of the Morse Perforator.
>
>
> The AWA Museum of Communication Technologies has a Creed perforator with a
> different form factor than the Kleinschmidt design and seems to be motor
> driven.
>
>
>
>
>
>
>
> I have not had a chance to compare this Creed perforator with the
> Kleinschmidt design.
>
> Have Fun,
>
> Duncan Brown, K2OEQ
> USASA    31J30
>
> Antique Wireless Association
>  Communication Technologies Museum
>    Asst. Curator, Commercial Equipment
> (also chief TTY op & repairman)
>
> i-Telex: 212503
>
> www.antiquewireless.org
>
> AWA Youtube channel:
> https://www.youtube.com/channel/UCX55peBhzeX1qps_VYXdLBA
>
> Virtual AWA Museum TTY Tour:  https://www.youtube.com/watch?v=TpB6jM90VV8
>
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>
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