Syl was a yank and may have used different silks
I've had a few interesting conversations with him over the years, he will be much missed :z19.
The dyeing info is very interesting though, amazing what we fly fishers will do just to fool a few fish.
Nostalgia plays a big part in what makes a lot of us tick, isn't it great
Is the the thicker stuff not just Naples as opposed to Gossamer though? i know both were used to whip rod rings, depended on how thick the blank was and its intended purpose.
Sandy