Conceptual Reference Database for Building Envelope Research |
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Essay:moisture content measurement historyhttp://www.fs.fed.us/rm/main/fire_res/fire_history.htmlIn 1923, Gisborne and M.E. Dunlap developed and tested the first duff hygrometer, used to measure duff moisture content. In 1928, Gisborne published the first technical report comparing duff and wood moisture content with various weather elements. |