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2015

The Keeling Curve, December 2014
Society: ACS Main Category: Chemical Sub Category: Frontiers of Knowledge Era: 1950s DateCreated: 1950-1969 Scripps Institution of Oceanography at the University of California La Jolla State: CA Zip: Country: USA Website: https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/keeling-curve.html Creator: Keeling, Charles David

Charles David Keeling of Scripps Institution of Oceanography was the leading authority in establishing the global atmospheric carbon dioxide (CO2) record. In 1958, Keeling began measuring atmospheric CO2 con­centrations from Hawaii’s Mauna Loa Observatory. Using rigorous analytical procedures, he revealed new information about natural and man-caused carbon trends.

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2015
Image Credit: Courtesy Wikicommons/Scrippsnews (CC BY-SA 4.0) Image Caption: The Keeling Curve, December 2014 Era_date_from:
Pratt & Whitney Wasp A, R-1300 (R-1340)
Society: ASME Main Category: Mechanical Sub Category: Era: 1920-1929 DateCreated: 1925 New England Air Museum Windsor Locks State: CT Zip: 06096 Country: USA Website: https://www.asme.org/about-asme/engineering-history/landmarks/260-pratt-whitney-r1340-wasp-radial Creator: Rentschler, Fredrick

Aircraft engines, considered unreliable during the first 20 years of aviation due to their need for liquid-cooling, heavy weight and other inconsistencies, were given a revolutionary boost with the development of Pratt & Whitney’s R-1340 Wasp Radial Engine in 1925.

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2015
Image Credit: Courtesy Flickr/nostri-imago (CC BY 2.0) Image Caption: Pratt & Whitney Wasp A, R-1300 (R-1340) Era_date_from:
Northern Pacific Rotary Snow Plow #2
Society: ASME Main Category: Mechanical Sub Category: Era: 1880s DateCreated: 1887 Lake Superior Railroad Museum Duluth State: MN Zip: 55802 Country: USA Website: https://www.asme.org/about-asme/engineering-history/landmarks/257-northern-pacific-rotary-snow-plow-2 Creator:

The oldest surviving rotary snowplow in the world

M

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Society: ASME Main Category: Mechanical Sub Category: Era: 1940s DateCreated: 1947 George Eastman House Rochester State: NY Zip: 14607 Country: USA Website: https://www.asme.org/about-asme/engineering-history/landmarks/258-george-eastman-house-technology-collection Creator: Eastman, George

 

The oldest and most comprehensive collection of photographic and cinematic technology

In 1888, George Eastman created the Kodak camera, the first camera designed to use roll film. The camera's simplicity and user friendly mechanism revolutionized amateur snapshot photography and in 1892, he founded the Eastman Kodak Company, in Rochester, New York.

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2015
Image Credit: public domain Image Caption: Era_date_from:
Society: ASME Main Category: Mechanical Sub Category: Era: 1880-1889 DateCreated: 1879 Grandhotel Giessbach Giessbach State: Zip: Country: Switzerland Website: https://www.asme.org/about-asme/engineering-history/landmarks/259-funicular-giessbach, https://www.giessbach.ch/en/historical-funicular-railway.html Creator: Abt, Carl Roman

The first funicular to employ a single, two-rail track along its entire length, with a short passing track.

 

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2015
Image Credit: Courtesy Flickr/Martin Abegglen (CC BY-SA 2.0)
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