1006 pi by rail generator using the rotation of ra…

Search:
In stock
SKU
conservativ1_1005
$14,896.00
1006 pi by rail generator using the rotation of rail wheels to generate current to store on railway car by the study of pi copyright © christopher g brown 2017 patent christopher g brown 2556 capture1006
Write Your Own Review
You're reviewing:1006 pi by rail generator using the rotation of ra…