Sad day for HP-41C
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12-15-2017, 04:19 PM
Post: #17
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RE: Sad day for HP-41C
(12-15-2017 03:36 PM)larthurl Wrote: I was thinking of using Simple Green to clean up keyboards. I've found that Simple Green works wonders on degreasing bike chains, but even diluted I wouldn't use it on a calculator. Some calc series like the Pioneers clean up nicely using a mild detergent like Dawn and really shine up with Armor All. Other series, like the Woodstocks, should probably only be cleaned with water else the key legends could be washed off. Dave |
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