Hi and welcome. The BSA T of B sounds interesting. Is it in the black/red/white finish like the team bikes? I have always wondered who built the 'proper' BSA race team frames as I can't really see BSA doing it themselves. They had some very good riders in the team.
The Ferris sounds interesting too. I don't know anything about them and Classic Lightweights site (www.classiclightweights.co.uk
) doesn't include them in either 'Builders' or 'Readers' Bikes'. Once you've managed to do it up a bit they may be interested especially with the Gerry Burgess connection. Do you have any more history for it?
By the way, when was the photo of your Grandfather taken? If it's in the 'Black Tights' era of time trialling he was being a bit daring having his sleeves rolled up above his elbows! Could have been disqualified - or even suspended!
Today is the yesterday of tomorrow.