I know I already replied but can't help looking around two related sites -- Old Woodworking Machines (owwm dot org) and VintageMachinery (vintagemachinery dot org - was owwm dot com) -- of which I'm an inactive member. Great discussions about what bandsaw speeds are best for what machines and what uses.
For example really old machines have babbitt bearings that can not tolerate speeds as high as newer, ball bearing machines. I imagine that a Fay & Egan from 1881 might well have babbitt bearings.
Also, bandsaws with carbide-tipped blades do very well at higher speeds whereas plain steel blades might dull due to higher heat generated.
Resawing, due to the greater contact with a full width of board, would require a different speed than cross-cutting.
I strongly recommend your friend sign up for the two sites above. Keith Bohn is a great moderator and the folks on the list have a couple millennia of information!!