Tiffany Studios. Ecclesiastical Dept. · Tiffany Studios, New York, N.Y. · leaf 92
OR ORNAMENTAL STONE. ABSORPTION TESTS MADE ON FINISHED CUBES OF THEGRANITE SHOWED A MAXIMUM ABSORPTION OF 0.12%BY WEIGHT OF WATER; OR, PUT ANOTHER WAY, ABOUT18 MILLIGRAMS PER SQUARE INCH OF SURFACE TESTED.THIS IS A NORMAL FIGURE FOR ROCKS OF THIS TYPE. THE DENSITY OF THE ROCK WAS FOUND TO BE 2.72…