Unknown US manufacturer - try again

[Peter Van Peborgh]

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

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

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


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Peter Van Peborgh
62 St Mary's Rise
Writhlington  Radstock
Somerset	BA3 3PD
UK
01761 439 234
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