HP-25C Eumulator
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12-20-2014, 09:47 PM
(This post was last modified: 12-20-2014 09:49 PM by BobVA.)
Post: #113
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RE: HP-25C Eumulator
Attached are photos of a display filter test, using a defunct HP-21's front panel. Quite an improvement!
The last photo shows my fabulously engineered packing-tape + kapton back cover |
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