[time-nuts] Rare HP clock

Chuck Harris cfharris at erols.com
Mon Oct 3 17:38:13 UTC 2016


There is a fist sized bag of silica gel sitting in an
open from the top aluminum box.

Most units also have a little 24V Nicad pack.

-Chuck Harris

paul swed wrote:
> My speculation on the xtal. So the question is what is the empty box on the
> right that looks like paper is stuck in it.
> Not that any of this matters as I am not a bidder.
> It may just add additional challenge for whoever gets it.
> Regards
> Paul
> WB8TSL
> 
> On Mon, Oct 3, 2016 at 11:01 AM, Magnus Danielson <
> magnus at rubidium.dyndns.org> wrote:
> 
>> Since you force-feed it 100 KC at the back, no crystal would be needed.
>>
>> Cheers,
>> Magnus
>>
>> On 10/03/2016 04:57 PM, paul swed wrote:
>>
>>> Also notice the missing something on the far right that may have been some
>>> xtal or something.
>>> I went to look for a manual to see what it was. No luck though the manual
>>> may be out there.
>>> I would say its rare, but the price is going to most likely go up because
>>> it is a bid.
>>> Great winter project but not worth a lot of $ to me at least. Good luck to
>>> whoever gets it.
>>> Regards
>>> Paul
>>> WB8TSL
>>>
>>> On Mon, Oct 3, 2016 at 10:42 AM, Bob Camp <kb8tq at n1k.org> wrote:
>>>
>>> Hi
>>>>
>>>> Rare is indeed a relative term. I would certainly call it rare, but
>>>> others
>>>> might not.
>>>> You likely would be the only person on your block who has one :)
>>>>
>>>> In the picture of the innards you can see a number of fine old wet slug
>>>> tantalum
>>>> capacitors. One even appears to have goo leaking out of it. I’d plan on
>>>> having a
>>>> lot of fun tracking down this or that part to get it working reliably.
>>>>
>>>> On Oct 3, 2016, at 10:27 AM, Jeremy Nichols <jn6wfo at gmail.com> wrote:
>>>>>
>>>>> I saw that. Is it really rare or just hype by the luster?
>>>>>
>>>>> Jeremy
>>>>>
>>>>> On Monday, October 3, 2016, Bert Kehren via time-nuts <
>>>>>
>>>> time-nuts at febo.com>
>>>>
>>>>> wrote:
>>>>>
>>>>> There  is a rare HP clock on ebay for the collectors among us. I am to
>>>>>> old.
>>>>>>
>>>>>> RARE  HP H20 115BR FREQUENCY DIVIDER & DIGITAL CLOCK STANDARD VINTAGE
>>>>>>
>>>>> TEST
>>>>
>>>>>
>>>>>> Bert  Kehren
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>>>>>
>>>>> --
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