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Here’s another tool for you to use after the Apocalypse: the Snail Mini Dynamo LED Anti-Mosquito Flashlight. That’s a long name for a short list of features, including a handcranked flashlight ...
Dynamo Micropower is a tiny startup that’s only been around a short time, trying to build a very small generator for the home. But since forming the company in January, co-founder Jason Ethier ...
THIS little book of 75 pages is designed to give to amateurs practical information as to the construction of a small working dynamo-machine. What is aimed at is the building up of a machine ...