Last week at Jackson Mills (Ocean Co.), N. J., one George W. Perry, geologist of Los Angeles, Calif., reluctantly demonstrated to incredulous newspaper reporters the "Perry Mineral Indicator," a tripod apparatus fitted with compass, dials and a brass cylinder like the weight from a grandfather clock, suspended by a silken, tubular thread. Perry claimed that the cylinder contained secret ingredients which caused it to oscillate, gyrate, agitate when in the vicinity of subterraneau oil, even thousands of feet in the earth. He, Perry, was the...
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