Fines/Powder
Building or Place
NPS Code
Address
Number of Samples
Wood from Abu El Numrus that is incompletely burned to form a black powder. Used to increase moisture retention during curing of mortar formulations.[1] [1] Mark M. Goodman, “The Effects of Wood Ash Additive on the Structural Properties of Lime Plaster” (Master’s thesis, University of Pennsylvania, 1998): 66.
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