| Job Title |
Neon-tube Pumper |
| Job Description |
Charges Illuminated Sign Tubing With Rare (inert) Gases:
Attaches Formed Sign Tubing To Pumping Unit Through Fused
Tubulations (glass Nipples). Removes Air From Tubing By Means Of
Vacuum Pump. Bombards Tubing With High-voltage Electric Current
To Eliminate Gaseous Impurities. Reduces Vacuum In Tubing To
Specified Point, Using Vacuum Pump And Vacuum Gauge. Connects
And Opens Rare Gas Bottle To Admit Rare Gas, Such As Neon,
Argon, Helium, Krypton, Xenon, Distilled Mercury, Or Blue Gas
(depending On Color Desired) To Specified Pressure As Indicated
By Pressure Gauge. Tests Sign By Connecting Electrodes To
Secondary Winding Of Transformer And Observing Color Of Light.
Seals Tubing By Heating And Closing Tubulations. Connects Tubing
To Transformer And Operates Several Hours To Age Tubing (consume
Gaseous Impurities). May Paint Or Tape Tubing To Separate
Symbols.
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