The presence of the words 'NAND GATES' imply that this was part of some educational kit for logic training, rather than a part of a system.
From: "General Discussion" <cct...@classiccmp.org> To: pe...@vanpeborgh.eu, "General Discussion" <cct...@classiccmp.org> Sent: Wednesday, September 12, 2018 11:30:42 AM Subject: Re: Unknown US manufacturer - try again RCA made boards of this color and size, but not an exact match. Same number of pins, similar blue. Not claiming it's RCA, but it's the closest thing I have. Here is one from a 1974ish COSMAC Microkit: http://www.vintagecomputer.net/rca/COSMAC/RCA_GFA-3901808_front.jpg On Wed, Sep 12, 2018 at 1:59 PM Peter Van Peborgh via cctech < cct...@classiccmp.org> wrote: > Guys, > > See these photos: > > > https://scontent.flhr2-2.fna.fbcdn.net/v/t1.0-9/35682272_10216634445119982_2 > > 53889771863015424_n.jpg?_nc_cat=0&oh=74459af2e9232dd433046b2a9d43dedd&oe=5BC > F55A0 > <https://scontent.flhr2-2.fna.fbcdn.net/v/t1.0-9/35682272_10216634445119982_253889771863015424_n.jpg?_nc_cat=0&oh=74459af2e9232dd433046b2a9d43dedd&oe=5BCF55A0> > > > and > > > https://scontent.flhr2-2.fna.fbcdn.net/v/t1.0-9/36244235_10216691120256825_4 > > 287682979926376448_n.jpg?_nc_cat=0&oh=e8ab72feb9eb1cf311c7ef0546318e44&oe=5C > 1358C6 > <https://scontent.flhr2-2.fna.fbcdn.net/v/t1.0-9/36244235_10216691120256825_4287682979926376448_n.jpg?_nc_cat=0&oh=e8ab72feb9eb1cf311c7ef0546318e44&oe=5C1358C6> > > > The photos are of a board I recently obtained for my collection. I've not, > to date, been able to discover who the manufacturers were. It almost > certainly US, The chips are week 27 of 1970, NAND gates. > > Can anyone help? > > Many thanks, > peter > > > || | | | | | | | | > Peter Van Peborgh > 62 St Mary's Rise > Writhlington Radstock > Somerset BA3 3PD > UK > 01761 439 234 > || | | | | | | | | > > >
