Links I Like....

Otto Gas Engine Works- Piston Rings, Sundry Engine Supplies
Harry's Antique Engine Ads- Great place to buy, sell and discuss
all types of antique gas engines.
US Patent and Trademark Database- Mucho engine info on this site; go to
search by number and prepare to spend many hours; My top pick !
Cecil County Farm Museum

Oil Field Engine Society- Many links to oil field engines+ history
about the early oil industry.
ATIS- Antique Tractor Internet Service. Great site to buy, sell and
swap engines, tractors and schtuff.
Old Marine Engine- Neat site with all kinds of info on antique marine engines,
accessories, good chat and info exchange.