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Re: HP-67 Repair/Restoration



#5

There is nothing sacrilegious about combining parts from various non-functioning units to make a operating / better looking calculator. Using 1000 grit sandpaper lightly under the metal key contacts can help key functions (sticky, bouncy or intermittant operation) should the keypad part not function on the battery damaged calc.


#6

Replacing a back from a 65 with a back from a 67 causes two 65s to exist with the same serial number (potentially). This does not sound like a good practice (to me).

#7

I had many of the sort of questions you had, and started the above-mentioned thread, asking what collectors thought. Boy, the answers I got! And that was good, as I wanted to better understand some of the reasons for what we do and what we expect of our fellow collectors.

There are going to be a couple of purists who won't like your calcs. But the majority of us, I think, would prefer that you DID make two working, good-looking calculators... and wouldn't you prefer it too?

Collecting has several components. One is obviously the emotional side, love for the items and what they mean to the collector personally. Another part is economic-- what value will it bring from other collectors? And then there is the utilitarian side: does it function and look as it was intended to?

There ARE sticky issues in each of those areas. If you approach it strictly from one facet, you will possibly commit a "faux-pas" in the eyes of others whose motivations are different.

I have pretty much decided that, for my own purposes, I want a calc that works and looks like new, insofar as that is possible-- BUT that since I intend to collect and trade with others, there is a responsibility to honestly and fully disclose any repair or change made to the original condition I got it in, to anyone I trade with, before they commit to the trade.

Ideally, one would document part-swaps and repairs, and the reasons for them, and include that document in your descriptions to others. Then THEY can decide if what you have is worth anything to them.

But since they are YOUR calcs to do with as you please, ask yourself what YOU want out of all this. If these calcs are for display and collector-value, you will operate a bit differently than if they are tools you wish to rely on and use in your personal endeavors.

Rarity may play a part in your decisions: you would want to treat a red-dot 35 differently than a stock 67, I would guess.

Sacrilege--- truly--- is that many of the calcs and computers we love are crushed to extract the precious-metal content. Many more end up taking a square-inch or two of landfill, benefitting no one, simply because nobody was around who recognized their value.

When I see a lovingly-restored calc on someone's site, personally, my insides cheer.

I couldn't speak for everyone; some would feel as if you had found an old bottle, filled it with cheap wine, corked and labelled it, and represented it as a highly-valued vintage.

My only response can be: do what you do in the spirit of a steward or caretaker, suiting yourself that you are doing whatever is best for the calcs you own, then label and represent it for what it is exactly, and no one should have a real complaint.


#8

Just a follow up for notes -

Regarding serial nos. - The early HP calcs (including the 65)had serial numbers on foil tape and the authenticity of these are certainly questionable unless you bought the calculator new.

The 67 calcs usually have a serial number stamped in the plastic back (though some later 65s could have the same)


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