Just bought a HP-67 calculator at an auction
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08-27-2020, 12:15 AM
Post: #24
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RE: Just bought a HP-67 calculator at an auction
(08-26-2020 12:05 PM)SlideRule Wrote: The Publisher Summary for Handbook of Environmental Degradation of Materials, 2005, Chapter 7 - Chemical and physical aging of plastics {pgs. 153-163} Thermal degradation / aging is also a candidate process. BEST! SlideRule ps:don't forget to include reversion. |
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