Wiktionary
hot tubes
n. (hot tube English)
Usage examples of "hot tubes".
Shirtless men sit in Quonset huts made stifling by the red-hot tubes of their radios.
They stormed out as soon as the ship touched, shielding their faces from the still-hot tubes.
Vacuum tubes had an average life span of twenty hours, but with thousands of glowing hot tubes in a single machine, some computers shut down every seven to twelve minutes.