See in Reader
5 lines
190 B
Markdown
5 lines
190 B
Markdown
|
# upper millstone
|
||
|
|
|
||
|
|
Two large, flat, round stones were used to grind grain in a mill. An upper millstone was the top one that was rolled on the lower one to crush the grain in between them.
|
||
|
|
|