ANSI/ASSP Z9.4-2011 (R2021): Abrasive-Blasting Operations
In 1870, the first patent for an abrasive blasting piece was filed by Benjamin Tilghman, an American soldier from Pennsylvania. Supposedly, Tilghman’s idea came from…
In 1870, the first patent for an abrasive blasting piece was filed by Benjamin Tilghman, an American soldier from Pennsylvania. Supposedly, Tilghman’s idea came from…