Gray's Devices (Moderator: Spokane 1)

Edwin Vincent Gray's conversion tube

Started by Turbo

Pages1 2 3 4 5 6 7

165 Replies
169,585 Views

2022.11.04, 21:20:57
by Jerry Volland

Edwin Gray/Tesla FE technology

Started by Allcanadian

8 Replies
9,544 Views

2021.04.23, 04:43:13
by Allcanadian

Observing emanations of the Sparkus Gappus

Started by Vasik041

8 Replies
13,255 Views

2017.04.27, 18:17:47
by Vasik041

Static Generators

Started by darkspeed

1 Replies
7,782 Views

2010.02.20, 22:30:56
by darkspeed

E V Gray 1986 Promotional Videos

Started by darkspeed

0 Replies
7,397 Views

2010.01.11, 22:21:03
by darkspeed