Author Archives: philip carmichael
Wikipedia Collaboration: Metalworking
The Wikipedia page I contributed to was the page about patina as it applies to metalworking. Under the section Applied Patina I added my two cents on how you can make your own substitute for ferric acid by mixing one part muriatic acid … Continue reading
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Sun Yat Sen
Phil Carmichael What I No Longer Know: My CFE was with the Dr. Sun Yat Sen Chinese Classical Garden. The Garden was built with materials, tools and techniques that would have been available during the Ming Dynasty (1368-1644). My first … Continue reading