SCIENCE NEWS – 601
$1.65
Interesting news/views from the underground science network. Here, we reprint Frank Prentice’s 1923 patent for electrical power accumulators that can tap directly into Earth energy.
- Description
Description
SCIENCE NEWS – 601
Interesting news/views from the underground science network. Here, we reprint Frank Prentice’s 1923 patent for electrical power accumulators that can tap directly into Earth energy.
