JSaltvold

JSaltvold

Red Deer, Alberta, Canada   Joined February 2nd, 2021
6 Instructables   2,860 Views   2 Comments   2 Followers

I am a retired instrumentation engineer who spent most of my career in the Canadian nuclear power industry. My book, "Practical Perpetual Calendars - Innovative, Convenient and Green” by James R. Saltvold, documents unique concepts that I have developed to make standalone perpetual calendars viable replacements for all conventional calendars that are not written on.


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