[Farmall] Another O-12 project, part 4

[Roger Moffat]

On Feb 21, 2009, at 7:16 AM, Roy wrote:

> What is a needle scaler?

<http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=1108>

for example and

http://en.wikipedia.org/wiki/Needle_scaler

for explanation.

Cheers

Roger