Mosquito Theory of Yellow Fever Proven in 1895
The text recalls the long-standing theory that mosquitoes spread yellow fever and notes proof by Major Ronald Ross in 1895 in India linking Anopheles mosquitoes to transmission. Further Cuba and other regions confirmed the finding in 1897-98, explaining the subsequent reduction of the disease in many countries.
MENTIONED IN THIS ARTICLE
Ronald Ross
India
Patrick Manson
Cuba
Din
Improved Letter Boxes for Office and Apartment Buildings
The article notes new letter boxes designed for offices and apartments. They deliver mail from the upper floors to rooms, using elevating machinery, improving efficiency for mail distribution in multi story buildings.
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