Arrastra
id:
arrastra-0-5962254
title:
Arrastra
text:
An arrastra is a primitive mill for grinding and pulverizing (typically) gold or silver ore. Its simplest form is two or more flat-bottomed drag stones placed in a circular pit paved with flat stones, and connected to a center post by a long arm. With a horse, mule or human providing power at the other end of the arm, the stones were dragged slowly around in a circle, crushing the ore. Some arrastras were powered by a water wheel; a few were powered by steam or gasoline engines, and even electri
brand slug:
wiki
category slug:
encyclopedia
description:
Primitive mill for grinding and pulverizing gold or silver ore
original url:
https://en.wikipedia.org/wiki/Arrastra
date created:
date modified:
2024-04-05T14:52:49Z
main entity:
{"identifier":"Q4795862","url":"https://www.wikidata.org/entity/Q4795862"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/0c/Arrastra_diagram_1886.gif","width":350,"height":575}
fields total:
13
integrity:
15