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Cliff's article was published in the PIRA newsletter. He is trying_______________________________________________
to locate an electronic copy. Since those were the beginning years
of PIRA, and it is probably not archived at the PIRA website. His
newsletter article was a follow up/caution to demo personnel based on
his own measurements predicated by the original government document
from 1970. I haven't googled to see if that document is available.
Prior to his alert, most of us were pretty cavalier about the cathode
ray tube demos, and I suspect that most physics faculty, who should
know better, would still show them, if they could get their spark
coils to work. Karl
Karl,
The article was longer ago than I thought, 1987.
The government document was:
X-Ray Emission from Cold-Cathode Gas Discharge Tubes Used for
Educational Purposes
Properzio, Woodcock and Heidersdorf, February 1970, BRH/DEP 70-1
US Dept. of Health Education and Welfare, Public Health Service,
Environmental Health Service, Bureau of Radiological Health,
Rockville, MD 20852
Cliff
--
Dr. Karl I. Trappe, outreach consultant Home (512) 264-1616Austin, Texas 78712-1081
Research Scientist Associate V (retired)
Senior Lecturer in Physics (retired)
Physics Department, Mail Stop C-1600
The University of Texas at Austin