Summary
Helium - Neon tube, manufacturer unknown.
Physical Description
Two connected glass tubes joined by one short glass tube with two plastic buffers. The long thin tube is the laser; the shorter wider tube contains the ion source.
More Information
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Collecting Areas
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Acquisition Information
Unknown Acquisition Method from Unknown Source
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Manufacturer
Jodon Engineering Associates, Ann Arbor, Michigan, United States of America, 16 Jul 1973
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Inscriptions
Larger tube: LASER TUBE/MADE IN USA/MODEL SM7225-2/JULY 16 73/JODON ENGINEERING ASSOCIATES/
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
80 mm (Length), 730 mm (Width), 45 mm (Height)
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Exhibition Collection Management
80 mm (Length), 730 mm (Width), 45 mm (Height)
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Keywords
Electric Light Globes, Electric Lighting, Illuminations, Thermionic Electron Valves