Hoynes Safety Powder Co. Signed by W. J. Hoynes- 1913 dated Autographed Stock Certificate

Stock signed by Wm. J. Hoynes as president. Very Rare! Important! The product manufactured by this company is known as Hoynesite, a safety powder that has achieved remarkable results and demonstrated its clear superiority over every other form of safety powder used in coal mining and other blasting operations. Mr. Hoynes is the inventor of this powder.

William James Hoynes (1846 – 1933) was an Irish-American professor and academic who was the dean of the law department at the University of Notre Dame. He was also a veteran of the American Civil War, newspaper editor, lawyer, and was "famed as a philosopher, legal writer, linguist and … raconteur [who could] tell war stories or lecture a class in law, in Latin, Greek, Hebrew and half the modern languages in Europe with amazing facility.” Read more at https://en.wikipedia.org/wiki/William_J._Hoynes