Physical World

Einstein's Theories of Relativity and Gravitation
A selection of material from the essays submitted in the competition for the Eugene Higgins prize of $5,000

J. Malcolm Bird

Physics

Thomas D. Cope

The Machinery of the Universe: Mechanical Conceptions of Physical Phenomena

A. E. Dolbear

How it Works
Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use

Archibald Williams

The Astral Plane
Its Scenery, Inhabitants and Phenomena

C. W. Leadbeater

The Energy System of Matter: A Deduction from Terrestrial Energy Phenomena

active 1883-1912 James Weir

Philosophiae Naturalis Principia Mathematica

Isaac Newton

Dialogues on the Supersensual Life

Jakob Böhme

International Congress of Arts and Science, Volume 1
Philosophy and Metaphysics

Yazar Bilinmiyor

Μικρά Φυσικά, Τόμος Πρώτος

Aristotle

Cosmic Consciousness: The Man-God Whom We Await

Alexander J. McIvor-Tyndall

Kaukonäkijä: eli kuvauksia Ruijasta

Jonas Lie

A Little Pilgrim in the Unseen

Mrs. Oliphant

The Law and the Word

T. Troward

Thought-Forms

Annie Besant

The System of Nature, or, the Laws of the Moral and Physical World. Volume 1

Paul Henri Thiry Holbach