In the quietude of spiritual inquiry, where the veil between worlds thins, George Winslow Plummer offers a lantern for seekers of inner truth. Rooted in the mystical wisdom of the Rosicrucian tradition, A Brief Course in Mediumship does more than guide—it initiates. Plummer’s vision transcends popular notions of psychic phenomena, insisting that true mediumship must be grounded in conscious awareness, moral discipline, and a deep reverence for spiritual law. Through practices like psychometry, clairvoyance, and controlled trance states, the aspirant is not merely learning to receive messages, but to refine the soul as a vessel of higher purpose. Mediumship, in this Rosicrucian frame, becomes not an end, but a sacred means of spiritual evolution—for self and for humanity.

In The Development of Mediumship by Terrestrial Magnetism, Judson S. Bury explores how Earth’s magnetic field may influence spiritual sensitivity, offering a blend of natural science and metaphysical insight. This article revisits Bury’s historic theories and distills his key techniques for cultivating mediumship—from stillness and moral intention to group circles and daily discipline. Whether viewed as metaphor or method, his work continues to inspire seekers of spiritual connection and self-discovery.

Explore the fascinating history of the planchette, a key tool in spirit communication and the precursor to the Ouija board. Discover its role in séances and modern spiritual practices. Watch the full video here and learn more at ExperimentalMedium.com.

Explore the remarkable afterlife journey of Marguerite Hunter, as revealed through 19th-century mediumship. Her vivid spirit-world experiences offer profound insight into spiritual progression and life beyond the veil. Watch the full video here and learn more at ExperimentalMedium.com.

Discover the visionary teachings of Andrew Jackson Davis, the "Poughkeepsie Seer" who helped shape modern spiritualism through trance-dictated revelations and harmonial philosophy. Watch the full video here and explore more at ExperimentalMedium.com.

Explore the mysterious spirit cabinet séances of the Davenport Brothers, whose bound performances baffled audiences with floating instruments and ghostly sounds. Discover how their acts blurred the line between spiritual phenomena and illusion in this video. Learn more at ExperimentalMedium.com.