No apology necessary. I should apologize to you, I didn't know I would wake up the house. I just fed it in the machine, and I suppose it called you twice.
The article came from an IMPCO newsletter that they sent to their customers in the early nineties. IMPCO was purchased by Performance Products a few years back, so you may know them by that name instead. They were a fabulous company before PP bought them.
Have a great day,