Priore Machine — Pulsed EM + Magnetic Field (France, 1960s–70s)

The Prioré machine is the atlas's cleanest example of a category that is easy to forget exists: unreplicated, but not implausible. Built in France in the 1960s and 70s by Antoine Prioré, it combined a strong magnetic field with a radiofrequency carrier and was reported to reverse experimental infections and tumour grafts in animals. It sits in the Electromagnetic family, and it deliberately carries no “contradicts-established-science” badge — a decision this page has to justify, because it is the opposite call from the one made for Rife and Lakhovsky.

The hardware was real

Prioré's apparatus was a genuine, powerful physical device: a magnetic field on the order of ~600 gauss (60 mT) combined with a radiofrequency carrier. None of that violates physics — comparable fields are used in ordinary laboratory and medical equipment. The problem was never that the machine could not exist or could not emit what it was said to emit. The problem is everything that comes after the hardware.

The animal data exist — and were published

This is what sets Prioré apart from the frequency-healing tradition: there are real, published animal results. R. Pautrizel reported reversal of trypanosome infection in rabbits and mice; Rivière reported regression of lymphosarcoma grafts in rats. These appeared in serious venues — Comptes Rendus de l'Académie des Sciences (Paris, 1972) and Annales de la Société Belge de Médecine Tropicale (1977) — and the work drew backing from R. Courrier, permanent secretary of the Académie des Sciences, and from Nobel laureate André Lwoff. It was also, at the time, accused by other Academy members of data manipulation. The record is genuinely mixed, and it was never resolved.

Why no “contradicts” badge — and why still Insufficient

The atlas puts the contradicts-established-science badge on claims whose mechanism is incoherent with physics. Prioré's is not: a magnetic field plus an RF carrier is physically ordinary, and the outcome — if real — would demand an explanation, not a repeal of electromagnetics. So the badge is withheld on purpose. What is missing is different and decisive: a specified mechanism, any independent replication, and any human trial. Prioré withheld the device's specifications as proprietary, the machine was eventually dismantled, and no one has reproduced the results. That is an open anomaly, not a refuted one — which is exactly what the Insufficient-evidence tier is for. “Not reproduced” is not “disproven,” and it is not “impossible” either.

Do not file it with Rife

It would be tidy to sweep Prioré in with the rest of “electromagnetic cancer machines,” and it would be wrong. Rife claims a curative mechanism that contradicts physics and has no controlled data; Prioré has physically-ordinary hardware, published (if contested and unreplicated) animal data, and no mechanistic claim that offends physics at all. Collapsing the two would erase the single most useful distinction this atlas draws — between a claim that is false on the physics and a result that is merely unproven and unrepeated.

Keep vs set aside

Keep: real hardware, genuinely published animal data, and an honest open question — a documented case of “unreplicated, not implausible.” Set aside: any reading of it as demonstrated therapy. There is no specified mechanism, no independent replication, no human evidence, and the device itself no longer exists to test. It belongs in the atlas as an unresolved anomaly, cited honestly — not as a cure, and not as a fraud dressed in the language of the ones that are.