Containers

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.

Cross sections of marble from Hood Cemetery Gate, Germantown, Philadelphia
Contents:

1. 2 thin sections and bilets of hoodstone (white marble) hoodcrust (framboidal black crust
2. 1 bulk sample laser-cleaned
3. 4 fragments of dry-cleaned, wet-cleaned, and uncleaned (control sample)

Fine sand with no stones

Soil, cement mortars