Scientific American Supplement, No. 821, September 26, 1891 provides readers with a fascinating glimpse into the scientific advancements and discoveries of the late 19th century. The articles cover a wide range of topics, from new inventions and technological innovations to groundbreaking research in fields such as chemistry, physics, and biology.
One of the highlights of this issue is the article on the development of the telephone, which discusses the latest improvements in telecommunication technology and illustrates how this revolutionary invention is changing the way people communicate. There are also articles on the latest advancements in photography, transportation, and medicine, highlighting the rapid pace of innovation during this time period.
Overall, Scientific American Supplement, No. 821, September 26, 1891 is a valuable resource for anyone interested in the history of science and technology. The articles are informative, well-researched, and provide a fascinating insight into the scientific knowledge and achievements of the late 19th century. I highly recommend this issue to anyone with a curiosity about the scientific advancements of the past.
First Page:
[Illustration]SCIENTIFIC AMERICAN SUPPLEMENT NO. 821
NEW YORK, September 26, 1891
Scientific American Supplement. Vol. XXXII, No. 821.
Scientific American established 1845
Scientific American Supplement, $5 a year.
Scientific American and Supplement, $7 a year.
TABLE OF CONTENTS.
I. Architectural. The New Labor Exchange in Paris. With views of the interior and exterior of the building
II. Electrical. The Construction and Maintenance of Underground Circuits. By S.B. FOWLER. A comprehensive article, discussing at length the various devices for protecting underground circuits, methods of inserting the cables, etc.
III. Engineering. Railroads to the Clouds. Sketches of a number of mountain railroads
IV. Marine Engineering. The French Armored Turret Ship the Marceau. 1 engraving. A full description of the vessel, giving dimensions and cost
A Review of Marine Engineering during the Past Decade. A paper read before the Institution of Mechanical Engineers by Mr. Alfred Blechynben, of Barrow in Furness. This paper, which is continued from Supplement No. 820, treats on steam pipes, feed water heating, twin screws, etc.
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