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Show I Let George Do It. ! Coloring of Neon Signs Explained by Makers Main, Salt Lake City. Complete I names and addresses must be Included, In-cluded, but Initials only will be used on request. "George, could you tell me how j all the different color used in the colored tubulsr light on signs are ' BBaanamiili?'1 asks fyL O. 8. of Murray. fjhftr). "I'v noticed . 1 green, yellow. i ' V i white,' purple and iVS .afA s a number of V5vJ others in addition r yVJr J to n uflua red," I pl4L!n y- 'lw NtV -Xim After consult-VjaVlJr consult-VjaVlJr ing several ex- lTiXVl I P e r ' in Salt MUnTiMinaanM Lake City who Gtorg manufacture the signs. George can give you the fundamentals of the process, but certain information is a closely guarded manufacturer's trade secret. Glass tubing of vsrious colors is used, as well as fluorescent powders pow-ders and several inert gases. Here sre some of the various combinations available: I Green Made with green-type fluorescent powder and argon gas. Yellow Green-c o I o r e d glsss tubing filled with neon: or yellow glass scoured with white fluorescent fluores-cent powder and argon gas. Dark red Ruby glass filled with neon. Bright red Clesr glass filled with neon. Rose Tubing scoured with blue fluorescent powder and filled witA neon gss. Blue Glass scoured with blue fluorescent powder and filled with argon. White White glass filled with argon. Purple Dark red powdering on glass, filled with argon. "On the average, George, how many children are there in the average American family?" asks Mr. D. C. of Salt Lake City. American families average 27 children per family among mem-i mem-i bers of the white rare. For Utah, the figure is 3 6 children per family, fam-ily, according to figures released by the United States census bureau. bu-reau. Send questions, suggestions snd complaints to George. In care of : the Salt Lake Telegram, 143 S. |