Lantern or Stereopticon Slides. 



Duplicates of the extensive collection of original Lantern Slides, made ex- 

 pressly for the University of Kansas, can be obtained from the photographer. 



The low price of 33^ cents per slide will be charged on orders of twelve or 

 more plain slides. Colored subjects can be supplied for twice the price of plain 

 subjects, or 66g cents each. 



Send for list of subjects in any or all of the following departments: 



PHYSICAL GEOLOGY AND PALEONTOLOGY.— Erosion, Glaciers and Ice, Volcanoes 

 and Eruptions, Colorado Mountain Scenery, Arizona Scenery, Restoration of Extinct Ani- 

 mals, Rare Fossil Remains, Kansas Physical Characters, Chalk Region and Irrigation, Bad 

 Lands of South Dakota, Fossil Region of Wyoming, Microscopic Sections of Kansas Building 

 Stones, Evolution. 



MINERALOGY.— Microscopic Sections of Crystalline Rocks, and of Clays, Lead Mining of 

 Galena, Kan., Salt Manufacture in Kansas. 



BOTANY AND BACTERIOLOGY.— Morphology, Histology and Physiology of Plants, Para- 

 sitic Fungi from Nature, Disease Germs, Formation of Soil (Geological), Distinguished Bota- 

 nists. 



ENTOMOLOGY AND GENERAL ZOOLOGY.— Insects, Corals, and Lower Invertebrates, 

 Birds and Mammals. 



ANATOMY.— The Brain, Embryology, and Functions of Senses. 



CHEMISTRY.— Portraits of Chemists, Toxicology, Kansas Oil Wells, Kansas Meteors, Tea, 

 Coffee and Chocolate Production. 



PHARMACY.— Medical Plants in Colors, Characteristics of Drugs and Adulterations, Anti- 

 toxin, Norway Cod and Whale Fishing. 



CIVIL ENGINEERING.- Locomotives and Railroads. 



PHYSICS AND ELECTRICAL ENGINEERING.— Electrical Apparatus, X-Rays. 



ASTRONOMY.— Sun, Moon, Planets, Comets, and Stars (many subjects in colors). 



SOCIOLOGY.— Kansas State Penitentiary, Indian Education and Early Condition. 



AMERICAN HISTORY.— Political Caricatures, Spanish Conquests. 



GREEK.— Ancient and Modern Architecture, Sculpture, Art and Texts. 



GERM.AN.— German National Costumes (in colors), Nibelungen Paintings, Life of William 

 Tell. Cologne Cathedral. 



FINE ARTS.— Classical Sculpture and Paintings, Music and .Art of Bible Lands, of Chaldea, 

 Assyria, Egypt, Palestine, and Armenia, Religious Customs of India, Primitve Art and Condi- 

 tion of Man, Modern Paintings and Illustrations. 



For further information, address DAVID HORKMAN, Lawrence, Kan. 



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Anyone sending a sketch and description may 

 gulckiy ascertain tur opinion free whether an 

 invention is probably patentable. Communica- 

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Patents taken throutrh Munn & Co. receive 

 Bpecial notice, without c harg e, in the 



Scientific Jfmerican. 



A handsomely illustrated weekly. Largest cir- 

 culation of any scientific journal. Terms, $3 a 

 year ; four months, |1. Sold by all newsdealers. 



MUNN &Co.36'Broadway. New York 



Branch Office, 625 F St., Washington, n. C. 



AFTER 

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current engineering periodicals must be 

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The Engineering Magazine, 



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