mechanical_coupling=nodding_donkey (Q22448)
Jump to navigation
Jump to search
A pump jack coupling intended to transform rotating movement into reciprocating one.
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | mechanical_coupling=nodding_donkey |
A pump jack coupling intended to transform rotating movement into reciprocating one. |
Statements
mechanical_coupling=nodding_donkey
0 references
Pumpjack 0154.jpg
0 references