| ??? 02/19/10 18:10 Read: times  | 
#173298 - Age ? Responding to: ???'s previous message  | 
Andy Peters said: 
While we are all showing our ages, I remember that you could get little knives that fit into the HP7475A plotter carousel. These knives would cut out traces on rubylith. Never used that process ! Steve, 46  | 



