Allison ajp166 at bellatlantic.net
Fri Sep 1 19:39:45 CDT 2006

>Subject: Re: Octal
>   From: ard at p850ug1.demon.co.uk (Tony Duell)
>   Date: Sat, 02 Sep 2006 00:36:59 +0100 (BST)
>     To: cctalk at classiccmp.org
>> Seven segment displays are also ergonomic disasters - the military
>> found it is far easier to read a seven segment display incorrectly
>> than just about every other method.
>Does anyone else remmeber the 8 and 9 segment displays used by (IIRC) 
>Sharp in the early 1970s. They were vacuum flourescnet, single digit to 
>an envelope, made by Itron (IIRC). The segments were curved, and you got 
>much more natural-looking digits than from a 7 segment straight-bar 
>display. Of course the problem that 2 rapidly alternating digits can look 
>like something totally different remains.

I have two 12 digit bottles, 4 individual digits and a 40x2 bottle of 
the VF type and a working Sharp calc that uses said VF disply.


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