SAPPHIRE & RUBY BALLS MINIATURE WITH PRECISE SPHERICITY

PROVIDENCE, R.I., May 6, 2025 /PRNewswire/ -- A line of miniature sapphire and ruby balls for a wide range of applications including precision bearings, valves, stylus tips, fiber-optic and optical components has been introduced by Meller Optics, Inc. of Providence, RI. Meller Sapphire &...