Photos of acquisition.... experiencing technical problems...more later. Numbers stamped on works are 94376 and they include four wound coils. The oak case itself, a portion of which is shown in the only photograph I have been able to get uploaded so far, bears the number 13. The case measures 62 inches high, 19 inches wise at it's waist, so to speak and is 7.5 inches deep. The extraordinarily heavy pendulum has two cylinders side by side. They appear to be metal and silver. I wonder if they are genuine mercury or if they contain iron ingots. More photos to follow, hopefully.