[TheForge] Period power hammer?

[James Binnion]

On Jan 2, 2008, at 12:45 PM, Peter Hirst wrote:

> I suspected this but cant find any examples of the technology except  
> recent designs.  Any resources on the vintage models would be  
> greatly appreciated.
>

ook for references to "oliver" hammers like this one

http://books.google.com/books?id=LGU6AAAAMAAJ&pg=PA23&lpg=PA23&dq=oliver+hammer&source=web&ots=R4gPPhItSS&sig=KGa1RC_yVOW1mh49zWuoPdo5M00


early treadle hammers were often called olivers

James Binnion
jbin at well.com