[R-390] 1968 EAC 390A

[Tom Norris]

The item that sold on ebay showed a photo of the power supply
and indeed its contract number was marked out. I had wondered
why it was.


Tom (the other one)
NU4G


On Dec 5, 2005, at 6:36 AM, Tom M. wrote:

> All the ones I've seen had the contract number marked out.
>
> I think they were all over runs or QC repairs.
>
> The one I got from Robert Edwards had very low and very high s.n.s  
> in it,
> indicating it may have been made from QC repairs.
>
> Tom
>
> --- Tom Norris <r390a at bellsouth.net> wrote:
>
>
>> Figured I'd raise more of a discussion over the civilian EAC '390A
>> (similar to that seen on Ebay).  It wasn't meant as strictly an ebay
>> subject, but a discussion of this particular sort of R-390A.
>>
>> Seriously, while we've raised the issues of ballasts, end points and
>> gear rebuilds on a regular basis, this isn't a subject I've heard
>> discussed in some number of years. We've discussed other contract
>> years of note, but not mentioned much about the EAC end-run.
>>
>> Looking at Tom Marcotte's s/n list, the high serial seen for these
>> seems to be near 118.  Anyone know how many of these were sold?  Were
>> these all repaired QC failures or were they simply the "tail end"
>> from the 1967 contract? Anything in particular different about these
>> units other than the front tag?
>>
>>
>> Tom NU4G
>>
>>