Attached is an image of the front of a mailer sent to attendees of the Deer Creek Seminars circa 1990 by the Water Fuel Corporation
The approximate size when unfolded is 11 by 17 inches. (trifold mailer)
It had answers to a series of questions about the technology-------
Example Question: " Does current blockage keep voltage constant ? "
Answer: "Yes! Its electrons are not being consumed. "