
After being "upset," the coins are heated in an annealing furnace. Then they're washed, dried and burnished.
« Mint: A bin of disks for dollar coins | Main | Mint: Quick tour recap ... »

After being "upset," the coins are heated in an annealing furnace. Then they're washed, dried and burnished.
TrackBack URL for this entry:
http://blogs.phillynews.com/inquirer/mt-tb-trythis.cgi/407.
Copyright © 2006-2008 Philadelphia Newspapers L.L.C. All Rights Reserved.
This page contains a single entry from the blog posted on February 16, 2007 1:24 PM.
The previous post in this blog was Mint: A bin of disks for dollar coins.
The next post in this blog is Mint: Quick tour recap ....
Many more can be found on the main index page or by looking through the archives.
Philly.com discussions are intended to be civil, friendly conversations. Please treat other participants with respect and in a way that you would want to be treated. You are responsible for what you say. And please, stay on topic.
These boards are monitored by Philly.com staff. We reserve the right at all times to remove any information or materials that are unlawful, threatening, abusive, libelous, defamatory, obscene, vulgar, pornographic, profane, indecent or otherwise objectionable to us in our sole discretion and to disclose any information necessary to satisfy the law, regulation, or government request. Personal attacks, especially on other board participants, are not permitted. We reserve the right to permanently block any user who violates these terms and conditions.