[GreenKeys] Question on model and serial numbers

[Pete Lancashire]

And here

http://www.navy-radio.com/tty/28asr/rtty-05.htm

On Thu, Apr 13, 2017 at 12:24 PM, Pete Lancashire <pete at petelancashire.com>
wrote:

> Found the 28D Bell System
>
> On Thu, Apr 13, 2017 at 12:16 PM, Pete Lancashire <pete at petelancashire.com
> > wrote:
>
>> I'm trying to get a grasp on the 28's I have.
>>
>> The tags on the front of the printing unit above the dash pot all seem
>> to have quite different "CODE"s.
>>
>>
>> Hope someone can help with some questions
>>
>> Is there a reference to CODE "28D".
>>
>> In 1149B there is a reference to Mark II and Mark III printing units.
>> is there a document that lists the differences ?
>>
>> Serial numbers ? Did the sequence restart depending on the CODE ? Or are
>> the s/n's all from the same starting number ? So is the Spokane older then
>> all the others ?
>>
>>
>> Name       CODE          Serial Number
>> Spokane    LP 3          2842            1149B_Mod28_Parts_Apr63.pdf
>> Weather    28D           114782          No reference found
>> Shop       MX-1115A/UG   15088           94200.1a_8-2.pdf
>> Attic      LP111 RN AJG  275131          navelex-tty-1977.pdf
>>
>> 1149B_Mod28_Parts_Apr63.pdf
>> "Mark II typing Unit" Friction Feed LP3, 4, 5, 6, 8
>>
>> 94200.1a_8-2.pdf
>> TT-47A/UG
>>
>> navelex-tty-1977.pdf
>> AN/UGC-25A Model 28 Receive-Only Page Printer Set (Compact). Same as
>> AN/UGC-25 except the typing unit LP111RN/AY is replaced by LPIWY/AJG. AJG
>> arrangement performs automatic carriage return on line feed with line feed
>> suppression on the next two characters Note the unit I have is a KSR
>>
>>
>>
>>
>>
>
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