[GreenKeys] Model 15 sort of

[henning]

Hi Larry,

your machine is supposed to be a Lorenz Lo15.
Please provide a photo and I see any further if I can help you.
Parts and complete machines are no problem to get here in Germany. Mostly they go just for picking up...
The mentioned box seems to be a control unit for TW39 (TELEX).
If you like you can use it for connecting your machine to our phone based TelexPhone network (see www.telexphone.net).
Generally it is designed to connect the machine to a TELEX switching central.

Lorenz bought Teletype licences in 1929 and started to produce "copies" of the model 15 and model 14. But different from Teletype the model 14 was only built as a tape printer like your Western Union 2B (?), it is called T32Lo and T36Lo. The more or less original model 15 was build almost unchanged until end of WW2, and from parts a few years later.
After the war and reconstruction of the production facilities the machine was improved continuesly. First paper tape attachments (tape reader and punch) were added, later several design changes were made (eg. for higher speeds up to 100 WPM/75 bauds). Also more convenient to use paper tape attachments were designed and two color printing mechanism in order to differ from incoming and outgoing messages. The model numbers are called Lo15, Lo15b and Lo15c.
Production of Lo15c ended in 1964 when Lorenz introduced the Lo133 (same as Creed 444)developed basically from the Lo15 design.

So, just let me know what you need to bring back this (surely rare in the US) goodie to life.

73s from Germany,

Henning DF3OE
www.teleprinter.net


---------- Original Message ----------------------------------
From: "Larry Tighe" <larryradio at worldnet.att.net>
Date:  Sun, 6 May 2007 20:17:07 -0400

>Howdy George,
>
>I'm going to take some pix and post them on my site.  It does have some 
>things I've never seen in a 15....a bar with slots that sez STOP, LF, LTRS, 
>BL, SP, TAB, BELL, GIG, CR.
>
>This I've never seen before in a 15.  I don't have any idea what BL means.
>
>OK, thanks for the input....pix tomorrow when my nerd son can post them :>)
>
>Lar
>----- Original Message ----- 
>From: "George B. Hutchison" <w7tty at readysetsurf.com>
>To: "Larry Tighe" <larryradio at worldnet.att.net>; <greenKeys at mailman.qth.net>
>Sent: Sunday, May 06, 2007 19:36
>Subject: Re: [GreenKeys] Model 15 sort of
>
>
>> Larry and GreenKeyers - - -
>>
>> From what little you have described I am wondering if that model 15 you 
>> have might not be a Lorenz Model 15. RCA Communications did use a number 
>> of the Lorenz machines.
>>
>> In the 1930's (check me on this please, My Haynes), Teletype licensed 
>> Lorenz to make a lot of their stuff exactly the same as Teletype.  If you 
>> look at some of the range-finders you can see on some of the Lorenz-made 
>> German Cryptographic equipment you will see that they are exact copies. I 
>> cannot say whether or not the screw-threading was the same as American 
>> SAE, but I would bet they were.
>>
>> Also, the  mention of the "strange green" color is also an indication of 
>> possible Lorenz background.
>>
>> The German keyboards had four rows of keys, as opposed to three rows on 
>> Teletype Corp stuff. The top row was numbers.
>>
>> Check the vanes on the typing unit you acquired. Teletype corp vanes were 
>> all solid. The Lorenz vanes had slots punched or milled in them to reduce 
>> the mass of the vanes so that the selector lever springs in the selector 
>> would not have to move so much mass. This enabled them clever German folk 
>> to run model 15's at 100 WPM with more success and reliability than we 
>> over here could do.
>>
>> A neat feature found in many Lorenz 15s was that there was often a 
>> perforator/reperforator driven by the selector which nicely punched a tape 
>> of the incoming signal, or whatever the 15 was printing at the time.
>>
>> You might have a relative rarie, Mr Tighe.
>>
>> 73,
>>
>> George - W7TTY
>>
>> 
>
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