Bulding Materials By benjaminr8l Oct 26, 1496 Timber Framing Oct 26, 1820 Granite Oct 25, 1901 rock- actually many years bc Oct 25, 1901 sticks lots of years bc Oct 25, 1907 Bakelite created Oct 25, 1909 Precipitation Hardening Created Oct 25, 1913 stainless steel rediscovered Oct 25, 1915 pyrex Oct 25, 1970 asbestos Jan 1, 2260 Limestone 2260BC Oct 26, 7500 Brick 7500BC