Sedimentary

Fragments of limestone of unknown origin

9 limestone fragments of unknown origins.

Cubes and disks of marble, limestone, and granite

Stone cubes used for experiment “Porosity of Solids”

Sandstone cubes and thick sections

Limestone samples from Anne Brackin’s previous work. Some samples are loose.

Marble and sandstone fragments with mechanical pinning.

Medina sandstone from Gennessee, N.Y. Quarry reopened for repair work at Ontario Legislative Building

Photographic film and thin sections of sandstone coupons

36 Egyptian limestone samples treated with Triton XLN-90 Orius WA Paste