View Single Post
Unread 06-03-2011, 08:52 PM   #2
Member
Researcher
PGCA Lifetime
Member
 
Dave Noreen's Avatar

Member Info
 
Join Date: Jun 2009
Posts: 3,887
Thanks: 1,847
Thanked 8,838 Times in 2,594 Posts

Default

You can't get that information from the records. They seem pretty common in the first decade or so of hammerless production, but rather scarce after that.
Dave Noreen is offline   Reply With Quote
The Following User Says Thank You to Dave Noreen For Your Post: