Hi
I found these back in the Summer at a long lost coal camp dumpsite. The lamp on the left is a Guy's Dropper, on right is an Auto Lite. The Guy's Dropper was made after 1925, Don't know about the AutoLite.
Nice finds, I also really like that stamped oil canister.
Around these parts the stoneware from Monmouth, IL is pretty ubiquitous. There were several producers over time but the most iconic used a very similar logo: