and he notes - They're called "Compasses" and sometimes "Dividers". Here's a handy link:
http://en.wikipedia.org/wiki/Compass_(drafting) Raleigh in Cooooldeigh Maineigh... At 12:05 AM 2/28/2012, John wrote:
You use what looks like a compass except it has a point on each leg. Can't say the name but I have had one for 60 years. These were very common in tool and die work years ago. You can rig a compass (with a needle) instead of lead).You prick both spots where you will drill. John Armstrong
