#PneumaticHammers were invented in 1890 and patented in 1894 by Charles Brady King from Detroit. It's the most recently developed technology I use ... besides Instagram. #handcrafted #limestone #stonecarving #Texas (at Bartlett Stone Company) https://www.instagram.com/p/BrTRCGGnMHt/?utm_source=ig_tumblr_share&igshid=12fxzgft3mabl













