I found an 1853 map of Motts Corners. It clearly shows Losey's Gun Factory.

Here is the overall map:


This is an enlarged snippet, look just above the "Motts Corners".


The map is very large, over 11 meg. I you want to see the full image it is at:
http://freepages.genealogy.rootsweb.com/~springport/pictures85/8544.jpg

Pete