1955 & 1956 Rosicrucians Advertisments Mental Poisoning & Secret Powers Ad

This lot of original magazine ads is printed on 6 x 9" paper and are untrimmed from the original page.  The first ad is datted 1956 and entitled Mental Poisoning! Thoughts That Enslave Minds - promoted by the Rosicrucians out of San Jose, California.  The second ad asks the question What Secret Power Did They possess referring to Francis Bacon, Benjamin Franklin and Isaac Newton.