Quartz crystals are harder to grow than the tenderest orchids. How nature does it is not exactly known, and nature does not produce enough big, perfect crystals to provide electrical manufacturers with the quartz slices they need to control radio frequencies, etc.
Early man-made quartz crystals were too small to be useful. During World War II the Germans did better, but not well enough. Last week Dr. Albert C. Walker of the Bell Telephone Laboratories told a gathering of scientists in Ithaca how Bell engineers had improved the German process until it grows quarter-pound crystals in only two weeks.
The Bell crystals are...
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