Fw: [GreenKeys] History question - Model 26 in military service?

[Charles Coulter2]

----- Original Message ----- 
From: "Charles Coulter2" <charlana2 at embarqmail.com>
To: <WA5CAB at cs.com>
Sent: Monday, December 10, 2007 8:59 AM
Subject: Re: [GreenKeys] History question - Model 26 in military service?


> From "Printing Telegraphy Anew Era Begins" written by Edward E. 
> Kleinschmidt Sr.
>
> "In February of 1944, Edward E. Kleinschmidt demonstrated a working model 
> of his teleprinter in Washington at the office of the Chef Signal Officer. 
> Officials of the Signal Corps were greatly interested in the unit, not 
> only because of its extrememlightness and small bulk, but because of the 
> representations that the basic design features of the tape printer, 
> exclusive of the printing mechanism, could be incorporated in a page type 
> printer which could be constructed with a total weight of approximatly 
> thirty pounds."
> The informal tests were very successful and "Kleinschmidt Labs" was asked 
> to prepare plans toward a tactical light-weight printer for field use. 
> Back to quote. "Edward F. joined his father in furthur engineering and 
> development work, and models of a typebar page printer and a typewheel 
> page printer to operate at 60 WPM were built. Upon evaluateion by the 
> Signal Corps and Army engineers, a printer with a higher operating speed, 
> up to 100 words per minute, was demanded. This requirement meant a 
> complete redesigh of the apparatus, but it was successfully carried 
> through and experimintal models were submitted by both companies. Therupon 
> both Kleinschmidt (Labs) and Teletype were asked to build ten printers for 
> field tests. This was done, and after extensive field testing, the 
> Kleinschmidt-designed, keyboard operated, 100 WPM typebar page printer was 
> accepted, and by order of the then Secretary of War it was made the 
> standard for the Military, effective on January 1, 1949. (This printer was 
> later to be known as the TT-4 tactical page printer, the principal 
> component of Teletypwriter Set AN/PCG-1"
>
> Kleinschmidt Laboratories was off and running.
>
> Lots more teletype history in Edward Kleinsmidt's book.
>
> Charles Coulter K9MZN
> ----- Original Message ----- 
> From: <WA5CAB at cs.com>
> To: <jhhaynes at earthlink.net>; <greenkeys at mailman.qth.net>
> Sent: Monday, December 10, 2007 0:30 AM
> Subject: Re: [GreenKeys] History question - Model 26 in military service?
>
>
>> John,
>>
>> Goacher and Denny must be wrong based on information from several 
>> different
>> directions.  TT-4/TG (Kleinschmidt), primary component of AN/PGC-1, came 
>> out
>> circa 1951.  Had the M-26 been assigned US military nomenclature, it 
>> would have
>> been TG-something, the system in use a decade and more earlier.  M-15, 
>> for
>> example, is TG-7.  There is some controversy as to exactly when the JAN
>> nomenclature system cranked up but 1942 is a good year to argue from.
>>
>> Further, reusing the same basic component nomenclature (such as TT-4 or 
>> R-23)
>> with different suffixes was never allowed.  A completely different TT-4 
>> based
>> on the M-26 wouldn't have appeared in 1940 or 1941 because (a) the
>> nomenclature system wasn't in use that early, (b) the TT-1 didn't first 
>> appear until
>> 1944 or early 1945.
>>
>> I can't imagine Teletype making new M-26's in 1949 to compete for the 
>> TT-4
>> contract (that's about when such work would have been being done) when 
>> they must
>> have been well into working on the M-28.
>>
>> Anyway, it must be a typo.  The two pieces of equipment are 15 years 
>> apart.
>>
>> In a message dated 12/9/2007 10:37:49 PM Central Standard Time,
>> jhhaynes at earthlink.net writes:
>>> Now I had always assumed that production of the Model 26 ceased
>>> at the onset of WW-II at the latest, and then production of spare
>>> parts ceased in the mid 1950s when lots of the machines started
>>> to be available to hams.
>>>
>>> The RSGB Teleprinter Handbook by Goacher and Denny, 1st edition,
>>> has a small section on American machines and shows a military
>>> TT-4 which is plainly a Model 26 mechanism in a military housing.
>>> Another picture of a TT-4 is the Kleinschmidt machine well known
>>> as a TT-4.  So I'm wondering if Teletype made some Model 26 machinery
>>> for the military, possibly as a trial model competing against the
>>> Kleinschmidt, and then didn't get a contract or wasn't interested
>>> in getting a contract.
>>>
>>
>> Robert & Susan Downs - Houston
>> <http://www.wa5cab.com> (Web Store)
>> MVPA 9480
>> <wa5cab at cs.com> (Primary email)
>> <wa5cab at comcast.net> (Backup email)
>>
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>