[GreenKeys] 28 stock ticker?

[Peter Gottlieb]

What are the paper tape machines behind them?  Another type of ticker printer?

I wonder if any of those machines survived the scrapper.

Peter


On 7/30/2019 3:28 PM, Jerry Murphy wrote:
> The stock trade information was manually entered into the quotation system 
> from tickets which were received from
> the trading floor.  Attached is a picture showing the operation.  Note the 
> custom Teletype keyboards and cabinets.
> The pic shows two keyboards plus the ticket loading and unloading arrangement.
>
> Jerry Murphy
>
>     -----Original Message-----
>     From: Ken Wiebe
>     Sent: Jul 30, 2019 11:57 AM
>     To: Thomas Tillson via GreenKeys
>     Subject: Re: [GreenKeys] 28 stock ticker?
>
>     What was the source of the data being sent to the stock tickers (equipment
>     used, process employed, etc.)?
>
>     This has me really curious about 'stock ticker networks'.
>
>     -Ken
>
>     On Tue, Jul 30, 2019, at 11:48, Jerry Murphy wrote:
>>
>>     Attached are two picture of the 900 stock ticker that I had.  It started life
>>     as a Trans-Lux machine and had a slack tape control. (The Trans-Lux machines
>>     were a variant of the regular stock ticker.  They printed on clear
>>     cellophane
>>     tape instead of paper.  The tape was run through an optical system and the
>>     printed characters were projected on a screen.)  I removed the slack tape
>>     control and ordered a new cover from Teletype. Several other parts were
>>     replaced and I ended up with this beauty.  Front labels were available that
>>     said either "New York Stock Exchange" or "Western Union."  The Teletype
>>     nomenclature on the mechanism is LP112TE making it part of the Model 28
>>     line.
>>     The ticker was sold some time ago.
>>
>>     Jerry Murphy
>>
>>
>>
>>
>>
>>
>>     -----Original Message-----
>>     >From: "w9ddd at tapr.org" <w9ddd at tapr.org>
>>     >Sent: Jul 30, 2019 10:32 AM
>>     >To: greenkeys at mailman.qth.net
>>     >Subject: [GreenKeys] 28 stock ticker?
>>     >
>>     >I always assumed a newer stock ticker from Teletype would be based on
>>     the 28 tape printer.  I was wrong.  Looking at
>>     http://www.navy-radio.com/manuals/tty/jh/bsps/bsp/570series/573-140-100TC.pdf,
>>     I discover a different approach..  It's a 6 level 135 baud device the
>>     uses a type box instead of the wheel like on a normal tape printer.  Also
>>     it types on 1" tape.  Of course it has fractions as well as some other
>>     special charters.
>>     >
>>     >Wonder if anyone ever saw such a beast?
>>     >
>>     >John, W9DDD
>>     >
>>     >
>>
>>
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>>     *Attachments:*
>>
>>       * Teletype - 900 ticker A1.JPG
>>       * Teletype - 900 ticker E.JPG
>>
>
>
>
>
>
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