What was the Nelson-Fordson Loader and how did it work?/ heavy duty / 1920s.

This video is created for educational purposes. The film features Nelson Iron Works P3-Fordson loader.
Author's text. Voiceover: Voice converter assistance. Used for illustration: Materials of the National Archives of the United States.
Ford Motor Company Films (All rights were conveyed to the U.S. Government on Nov. 28, 1962).
Public domain photo.
Sound effects added.
Original videos have been modified, provided with commentary and integrated into the general plot of the film. In the original material, the frame format, image quality and sound accompaniment have been edited. Purpose of use: Show the operation of loaders and other equipment. Replaceability: No;