Sorry, I can't confirm this receipt. It doesn't say Alembic on it, and while there were times we might run out of preprinted receipt tickets, I can't say 100% that it wasn't a form we used. When I've seen generic forms before, they always had at least a rubber stamp with our name and address on it. I don't recognize the handwriting here, and none of the work is described on the form. It doesn't feel like much a receipt, because there isn't even an amount.
We didn't keep records of these jobs like the instrument files we keep for builds.
Looking at the electronics might provide some other clues.