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Columbia Dry Cell Battery
Society: ACSMain Category: ChemicalEra: 1890-1899DateCreated: 1896Energizer Holdings, Inc. corporate headquartersSt. LouisState: MOCountry: USAWebsite: https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/drycellbattery.htmlCreator: Lawrence, Washington H.

Imagine a world without batteries. It would be a much different world, in which the automobile and the telephone would have developed differently and probably later, a world without many of the conveniences of modern life and without some of the necessities. The battery, ever smaller and more powerful, defines much of our modern comforts and advances. There were many scientific and technological advances on the way to those smaller and more powerful batteries.

YearAdded:
2005
Image Credit: Courtesy Duke UniversityImage Caption: Columbia Batteries: The World's Standard
River des Peres Sewage & Drainage Works
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1920-1929DateCreated: 1924-1921St. LouisState: MOZip: 63109Country: USAWebsite: http://www.asce.org/Project/River-des-Peres-Sewage---Drainage-Works/Creator: Horner, W.W.

In 1915, a tropical storm dropped nearly 11 inches of rain on St. Louis in just 17 hours, causing a devastating flood. Claiming 11 lives and the homes of 1,025 families, the flood focused public and government attention onto the problems of the river. 

YearAdded:
1988
Image Credit: Courtesy Wikipedia/MillbrookyImage Caption: Today, the River Des Peres Sewage & Drainage Works provides the backbone for the 110-square-mile St. Louis drainage basin.Era_date_from: 1924
Watkins Woolen Mill
Society: ASMEMain Category: MechanicalSub Category: ManufacturingEra: 1860-1869DateCreated: 1868Watkins Woolen Mill State ParkKearneyState: MOZip: 64060Country: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/manufacturing---1/-43-watkins-woolen-mill-%281868%29, https://www.asme.org/getmedia/705d5611-da21-47b3-b584-1e33e1c0b9df/43-Watkins-Woolen-Mill.aspxCreator: Watkins, Waltus

The Watkins Woolen Mill is among the best preserved examples of a Midwest woolen mill in nineteenth-century United States. Its machinery for preparing, spinning, and weaving wool reflects the existence of well-established textile industry in the country. It was designed and built by Waltus L. Watkins (1806-1884), a machinist and master weaver from Frankfort, Kentucky, who began operating his mill in 1861 in Clay County.

YearAdded:
1980
Image Credit: Public Domain (National Park Service)Image Caption: Watkins Woolen MillEra_date_from: 1868
Chain of Rocks Water Purification Plant
Society: ASCEMain Category: CivilSub Category: Water Supply & ControlEra: 1900-1909DateCreated: 1903Mississippi RiverSt. LouisState: MOCountry: USAWebsite: http://www.asce.org/Project/Chain-of-Rocks-Water-Purification-Plant/

Clarifying the turbid waters of the Mississippi River for use as drinking water was a formidable challenge. The Chain of Rocks Water Purification Plant provided the first application of a system of flocculation, sedimentation, and rapid sand filtration for water purification.

The system played a major role in reducing the impact of St. Louis' typhoid and cholera epidemic of 1903 that claimed 287 lives. Continued improvements to the plant reduced that number to 91 by 1914. It is estimated that 1,900 lives were likely saved between 1903 and 1915 due to the filtration system.

YearAdded:
1981
Image Credit: Public Domain (Author's Choice)Image Caption: Chain of Rocks Water Purification PlantEra_date_from: 1903
Armour-Swift-Burlington Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1910-1919DateCreated: 1911Missouri RiverKansas CityState: MOZip: 64106Country: USAWebsite: http://www.asce.org/project/armour-swift-burlington-bridge/Creator: Waddell, John Alexander Low

Work began in 1887 on the high-level truss "Winner Bridge" crossing the Missouri River at Kansas City. The piers were completed in 1890, but for financial reasons the project was suspended. John Alexander Low Waddell, renowned civil engineer, prepared an alternate design for a lift bridge in 1895, which would ultimately be built as the Armour-Swift-Burlington Bridge.

YearAdded:
1996
Image Credit: Courtesy Wikipedia/Americasroof (CC BY-SA 2.5)Image Caption: The Armour-Swift-Burlington Bridge it its lowered position over the Missouri RiverEra_date_from: 1911
Carbohydrate Metabolism - Carl and Gerty Cori
Society: ACSMain Category: ChemicalSub Category: MedicalEra: 1920-1929DateCreated: 1929Washington University School of MedicineSt. LouisState: MOCountry: USAWebsite: https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/carbohydratemetabolism.html, https://www.acs.org/content/dam/acsorg/education/whatischemistry/landmarks/carbohydratemetabolism/carl-and-gerty-cori-and-carbohydrate-metabolism-commemorative-booklet.pdfCreator: Cori, Carl, Cori, Gerty

In brilliant collaboration, Carl and Gerty Cori studied how the body metabolizes glucose and advanced the understanding of how the body produces and stores energy. Their findings were particularly useful in the development of treatments for diabetes. In 1947 the Coris shared a Nobel Prize for their discoveries.

 

The plaque commemorating the event reads:

Image Caption: Biochemist Gerty Theresa Radnitz Cori (1896-1957) and her husband Carl Ferdinand Cori (1896-1984) were jointly awarded the Nobel Prize in medicine in 1947 for their work on how the human body metabolizes sugar.
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