Model finishing fanners
- Made:
- 1700-1900 in unknown place
Model finishing fanners, or duster
This is a model of an improved early 19th century winnower which is used for separating grain, chaff and weed seeds by means of the blast from a fan and reciprocating screens which sieve the grain but shake forward into a chute such large weed seeds as thistle heads, etc. Small weed seeds are separated at a stationary slanting sieve which holds the larger grain seeds.
Details
- Category:
- Agricultural Engineering
- Object Number:
- 1928-638
- Materials:
- wood (unidentified) and iron
- Measurements:
-
overall: 380 mm x 530 mm x 320 mm, 2.31 kg
- type:
- model - representation
- credit:
- On loan from The University of Edinburgh