Urethane is an adhesive, not a coating
Search Results for: 'vacuum tube'
The filaments surely weren’t thoriated
The double-stick foam tape … lost its sticky
The knurled metal plug looms next to this smaller tube
A hole punched in its bottom for the data lead
Drawing power from the (mostly) defunct lithium battery
Perhaps as romantic illumination for techie snuggling
The Smell of Molten Projects in the Morning 