Thread: help please

I have just picked up a old bandsaw that used to belong to my grand father its a 3 wheeled saw it has got the gem casted on the top arm also the paten no 2788 .What i would like to no is if anyone has got any photos or info on one as mine is all in bits . The only thing i can not work out is how the back wheel is attached as it looks like there is bits missing.I can esily make whatever bits i need as i have my on lathe and milling machine ext.Any help would be very apriciated thanks.