The Fresno scraper established the basis for the modern earthmoving scraper, being able to scrape and move a load of soil, then discharge it at a controlled depth. It quadrupled the productivity of manual labor, replacing hand shoveling of earth into horse carts.
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Image Credit:
Courtesy Flickr/Alisha Vargas (CC BY 2.0)
Image Caption:
Fresno Scraper
Era_date_from:
1883
1991
The Fresno scraper established the basis for the modern earthmoving scraper, being able to scrape and move a load of soil, then discharge it at a controlled depth. It quadrupled the productivity of manual labor, replacing hand shoveling of earth into horse carts.
James Porteous, a…
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