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.
Depth
YearAdded:
Image Credit: Courtesy Flickr/Alisha Vargas (CC BY 2.0)Image Caption: Fresno ScraperEra_date_from: 1883
1991
Innovations
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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