An article on the Popular Mechanics website, 'Proton Packs and Teddy Bears: The Pseudoscientific History of Ghost Hunting Gadgets', mentions the SPR several times, including a section on Tony Cornell and his innovative spontaneous case recording equipment SPIDER and quotes from the editor of the SPR's magazine Paranormal Review, Dr Leo Ruickbie. The article can be found here:
http://www.popularmechanics.com/technology/gadgets/a23563/ghost-hunting-gadgets/