This collection comprises 75 inventions from the US Patent Office, patented over a period of forty years. The majority were taken out by US citizens. A few (where noted in the index) were American patents taken out by foreign inventors - from France, Great Britain, and Germany.

The subject is the magic lantern - or stereopticon, as it was often called* - and projectors for opaque pictures, together with slide carriers, illuminants, and other items relating to slide projection. An attempt has been made to include all of the relevant patents between 42,412 and 771,828 - but magic lantern inventions appear under a number of headings, and no doubt there are still some to discover.

Patents for slide projectors continued after the final example included here, gradually evolving into the slide and filmstrip projectors familar to most of us; but we have limited this collection to the period of special interest to historians and collectors.

Stephen Herbert

* Note: In recent years the term stereopticon has also been used to mean a stereoscopic viewer, but this subject is not covered here.

I S B N 1 903000 03 3

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CONTENTS

1864: (1) G. Sibbald. Magic lantern projecting a picture by reflection. 1867: (2) S. Solomons, England. Improvement in transparent slides for the magic lantern. 1868: (3) L.J. Marcy. Magic lantern body with an inner and outer shell. 1869: (4) L.J. Marcy. Magic lantern to prevent overheating of case and lenses. 1870: (5) A. Kruss, Germany. Magic lantern: reflected images of opaque objects. 1872: (6) A.G. Buzby. Stereopticon: compact and economical. 1873: (7) P. Diehl. Magic lantern for advertising. (8) A.G. Buzby. Magic lantern: general improvements. (9) A.G. Buzby. Magic lantern: general improvements. 1874 : (10) N. Belcher. stereopticons for dissolving views. (11) F. Hartmann. Kaleidoscopic lanterns. 1875: (12) L.J. Marcy: magic lanterns: coloured glasses, and lamp improvements. (13) A.G. Buzby. Magic lanterns: various improvements. (14) A.G. Buzby: cheap and effective magic lantern. (15) L.J. Marcy. Lime-light apparatus for magic lanterns. (16) L.J. Marcy: Improvements in stops for magic lanterns. (17) C. Fontayne. Magic lantern: improved reflector/magnifying lens. 1876: (18) A.H. Tifft. Magic-lantern slide. (19) C.A. Bourquin & G.T.Van Heers, France. Advertising lantern. 1879: (20) H. Lefevre, France. Magic lantern for opaque or transparent pictures. (21) H. Keevil, England. Dissolving-view lantern. 1880: (22) J.B. Robinson. Revolving toy lantern. 1881: (23) E.B. Foote, Jr. Magic lantern for ordinary lamp, and improvements. (24) A.A. Hart. Magic lantern: may be folded up. (25) N.T. Scott. Magic lantern: automatic advertising. (26) E.J. Muybridge. Picture feeding device for magic lanterns. 1882: (27) J.B. Upham. Magic lantern for use with any lamp. 1883: (28) C. Fontayne. Magic lantern: special reflector. 1884: (29) W.S. Barstow. Slide holder for magic lanterns. 1885: (30) H. & G. Davenport. Magic lantern: improved apparatus. 1886: (31) F.E. Ives. Magic lantern: to occupy a small space. (32) C. Gray & H. Kemp, Britain. Magic lantern: new carrier. 1887: (33) W.H. Ridding. Magic lantern: capable of being packed in small space. 1888: (34) E.T. Potter. Magic lantern slide: continuous flexible band. 1889: (35) H.J. Brower. Magic lantern: easily portable. (36) C.C. Bruckner & H.W. Thornton. Magic lantern for advertising. (37) J.B. Colt. Magic lantern: improvements to reflector. 1890: (38) J.B. Colt. Magic lantern: mechanism for adjusting the slide-opening. 1891: (39) J. Shannon. Dissolving shutter for magic lanterns. (40) Z.B. Coes. Dissolving view attachment for magic lanterns. 1892: (41) P.A. Bradford. Dissolving mechanism for magic lanterns. (42) E.I.S. Hart. Magic lantern: lighting and supports. (43) F.S. Pierling. Magic lantern kiosk. (44) D.R. Breed. Magic lantern: slide carrier and shutters. (45) D.R. Breed. Clamp for binding the edges of lantern slides. 1893: (46) C. Goodyear, Jnr. Lime-Jet and Hood for magic lanterns. (47) C. Goodyear, Jnr. Two or more lanterns to couple together. (48) C. Goodyear, Jnr. Magic lantern lens. 1894: (49) G.E. Emerson & V.H. Emerson. Magic lantern: to reproduce motion. (50) C. Beseler. Electric-arc for magic lanterns. 1895: (51) A. Wrench, England. Collapsible magic lantern. (52) C. Goodyear Jnr. Attachment for magic lanterns or stereopticons. (53) C.A. Chase. Improvement in stereopticon panorama machines. 1896: (54) T. Goodwin, England. Magic-lantern or other burner. (55) H.L. Hastings, and W. Russell. Magic lantern shutters. (56) D.D. O'Brien. Slide-carrying device for magic lanterns. (57) S.W. Allen. Magic lantern: improved apparatus and regulator valve. (58) T.S. Barbour. Magic lantern mechanism for changing slides. (59) W.H. Olmsted. Mat for lantern slides. 1897: (60) J. Keen. Magic lantern supplied with ordinary illuminating-gas. (61) H.J. Riley. Lantern-slide carrier. (62) H. Newman. Lantern-slide-moving device. (63) J.H. James, and C.D. Barrows. Automatic cut-off for magic lanterns. (64) S.W. Allen. Optical lantern: remote operation. (65) W.M. Green and F.W. Smith. Magic lantern: improvements. 1899: (66) S.E. Woody. Stereopticon: multiple dissolving-view lanterns. 1 9 0 0: (67) H.W. Force. Attachments for stereopticons, &c. 1902: (68) W. Fredrick. Automatic lantern-slide-moving apparatus. (69) G.W. Smith. Picture projecting apparatus: opaque and transparent pictures. (70) G.W. Smith & W.A. Somers. Picture projecting apparatus: Kinetoscope. 1903: (71) T.S. Barbour. Slide shifter for magic lanterns. (72) S. Hamburger. Magic lantern: non-conductive body for children's magic lantern. (73) S. Hamburger. Magic lantern with vitreous body panels. 1904 : (74) E.D. Clark. Stereopticon with electric lamp and battery. (75) J.W. Mead & H.A. Mackie. Stereopticon: automatic projection and focussing.

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