Eddystone was owned by Remington. Remington couldn't keep up with orders so they started the Eddystone company. They, along with Winchester, made a fine .30-06 rifle. Sometimes called the P17, it was the American version of the P14 Enfield.
The P17 came about the gov't couldn't get enough '03 Springfields built fast enough.
It looked like this when I got it: