[GreenKeys] [External] NOS Model 33 Ribbons

[Richard Knoppow]

    I can't see from any of the photos where it gives the model 
number on the front of the keyboard frame. I am pretty sure this 
is a No.3, designed for bookkeeping. The keys on the front are as 
described but the labels are missing. Can be replaced. The are 
for decimal spacing. You can find a manual for this machine at:
https://site.xavier.edu/polt/typewriters/tw-manuals.htmlhttps://site.xavier.edu/polt/typewriters/tw-manuals.html
     The use for accounting also explains the extra wide 
carriage. All of the major typewriter manufacturers made similar 
machines. Underwood also made accounting machines which are not 
derived from standard typewriters. I think there is information 
on them at the site linked above.

On 4/2/2020 8:38 AM, Jeff Albrecht wrote:
> Hi Doug,
>
> I grabbed my tripod and bulb to get some depth of field for 
> this shot. Checkout that bottom row of keys outside of the 
> typewriter's frame. The keycaps can all be turned by hand, you 
> can see the left hand key I turned to roughly 45deg. I might 
> have to go looking for a users and service manual for this. I 
> love how solidly built it is. I dusted a couple keys too.
>
>
>
>  - Jeff
>
>
> On 4/2/2020 8:12 AM, Jones, Douglas W wrote:
>> From: Jeff Albrecht [jeffa at rodaw.com] -- Thursday, April 2, 2020 9:57 AM
>>
>>> I believe those are manually programmable tab stops.
>> Ah.  That makes sense.  I'll bet that the keys are labeled something like:
>>        TAB  1  10  100  1000  10000
>> Pressing TAB takes you to the next tab stop.
>> Pressing 1 takes you one space before the tab stop.
>> Pressing 10 takes you two spaces before the tab stop.
>> Pressing 100 takes you three spaces before the tab stop.
>>
>> This made it easier to make tables of numbers.  With just a simple tab, you have to tab, then backspace according to the number of digits in the number you're trying to align.  With the scheme above, all you do is hit the right tab key depending on the number of digits, then type the number, and your decimal points will all be aligned.  Amazing what they figured out in the before-computer era.
>>
>>             Doug Jones
>>             jones at cs.uiowa.edu
>
>
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL