previous next

Brake-sieve.


Mining.) A rectangular sieve operated by a forked lever or brake, from which it is suspended in a cistern of water for the agitation of comminuted ore. The meshes are of strong iron wire, 3/8 of an inch square. The brake is supported by a rolling axis. See jigger. The poorest light pieces are cuttings. Pieces of poor, sparry, heavy ore are chats.

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 United States License.

An XML version of this text is available for download, with the additional restriction that you offer Perseus any modifications you make. Perseus provides credit for all accepted changes, storing new additions in a versioning system.

hide Places (automatically extracted)

View a map of the most frequently mentioned places in this document.

Download Pleiades ancient places geospacial dataset for this text.

hide Display Preferences
Greek Display:
Arabic Display:
View by Default:
Browse Bar: