Front Panel Tech Note 2
Pontus Pihlgren
pontus at Update.UU.SE
Mon Jun 15 02:10:29 CDT 2015
Hi Rod
I'm sorry I haven't replied sooner, you are not forgotten. It is just
that my second 8/e was much harder to reach than I had hoped for. (I'm
shipping out a set of computers that are in the way).
DOH! I just recalled.. I have pictures online, these are my machines:
Type A:
http://www.pdp8.se/bild/PDP8e_front.jpg
Type B:
http://www.pdp8.se/slask/front_paneler/pdp8e_typeb.jpg
As you see, the Type A, which I believe is older, has straight switch
position lines, no dividers and a "box" arround the switch.
The Type B has angled switch position lines, dividers, but no box
arround the switch.
Type B has noticably less saturated colors.
I can take better pictures of the Type B panel which is accessible, but
I'm not sure it will help.
Regards,
Ppntus
On Thu, Jun 11, 2015 at 10:46:47PM +0100, Rod Smallwood wrote:
> Hi Pontus
> Please define which two the colours differ between.
> Is the current version with the vertical switch position correct?
> If that is the case then the other one with angled switch position
> lines and dividers between groups of lamps must differ.
>
> The two colours are referred to as Amber and Terra Cotta.
> If they differ then they must have different names.
>
> As I am a bit colour blind the matching is done by our two
> screen printing
> ladies who are art graduates and qualified colourists.
> (in general females have better colour vision)
>
> If you have an example of a Type B ( angled switch position
> lines and dividers)
> that shows the difference in colour I'd really like a copy
> before we ship any type B
>
> Rod
>
>
> On 11/06/2015 08:01, Pontus Pihlgren wrote:
> >The color is quite different between the two. I can take comparative
> >photos, but I suppose it will be quite meaningless as a guide.
> >
> >/P
> >
> >On Thu, Jun 11, 2015 at 06:47:25AM +0100, Rod Smallwood wrote:
> >>Asof now I know of two variations
> >>
> >> 1, Selector switch positions 1 and 6 lines can be vertical
> >>or at an angle to the vertical
> >>
> >> 2, Vertical divider between groups of three lamps
> >>
> >>Anybody seen an 8/e panel with anything else?
> >>
> >>Rod
> >>
> >>
> >>
> >>
> >>
>
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