The PAL16R LART (for Logic Analyzing and Reversing Tool) is a small tool that can be used to help reversing PAL16s in live environement.
The small PCB can be fitted with a ZIF socket and additional pins for a logic analyzer. It's supposed to be installed in a socket on the original board.
The Gerber files are avaiable in the release section here: https://github.com/demik/oldworld/releases/tag/PAL16R_LART%2Fv1.0.0