Tesla Lightning Gun (Human, not Yithian, in Origin)

Ever wondered what a Yithian lightning gun might look like? Well, not only can you see this one built by Rob Flickenger, but you can read about how he built it (it involves many dangerous processes. And Nerf).

Here it is in action

Crookes Tube - Ghostbusting Equipment from "The Shunned House"

video by AlastairWright


Exhibit PHY001 - Crookes Tube

Developed by physicist and spiritualist William Crookes, the Crookes tube would play an important role in the development of modern physics, including the discovery of x-rays, as outlined by this BBC report. Perhaps this is why they would be naturally considered as ghost busting equipment in Lovecraft's "The Shunned House."