Keywords: OpticalGlass 023.jpg Casting clay pots - At this time P H Bates was acting Chief of the Ceramics Division The development of the technique and actual production of glass pots of purity and quality essential in making the highest grades of optical glass were outstanding contributions by NBS to the establishment of the American optical glass industry National Institute of Standards and Technology National Institute of Standards and Technology PD-USGov-NIST PD-USGov National Bureau of Standards National Institute of Standards and Technology Glass |