Lewis Wright

Lewis Wright
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CHAPTER I INTRODUCTORY Lantern Projection, as commonly understood, may be broadly subdivided into two branches: (A) The Projection of Lantern Slides, and (B) The Projection of Scientific Phenomena, Opaque Objects, Microscopic Specimens, &c., usually referred to broadly under the heading of 'Scientific Demonstration.' To these two classes may perhaps now be added a third, viz. The... more...