Folks may well be aware of this source of info but this site gives measurements and comparison lists for similar hook matching for any listed maker. Very comprehensive information once to follow their structure

http://flyhooks.org/

I tried to add one photo of 6 feathers using the "add file" part but it did not go through. My query really relates to the marked differences that there are but nothing specific in the old books. Some authors like Oliver Kite use ptns almost exclusively.

I hope that a photo will be attached below showing 6 sample pheasant tail feathers. The centre four are hen the outer 2 are cock pheasant and you will see the considerable variation. I do not remember in any of my angling books what tail barbs are specified for the likes of a ptn. Does anyone have a...

Just to consider downsizing to avoid bulky bobbins at the vice I shift thread off big spools onto small mini bobbins. These you can buy in dozen packs in a sewing shop and they are the bottom bobbin in a domestic sewing machine and you just use the machine's own bobbin filler system to fill the smal...

Helllo folks, thanks for your welcomes.
I will not be known on here. I live in Scotland and use "Bobfly " since I usually fish two flies on the cast on hill lochs and most of the wild browns come to the bobfly!
I usually use soft hackled flies and/or dries.

I like that a lot. Might well tie a couple and take them down the Clyde where they will feel very much at home.