Question Is anyone knowledgeable about the Marquardt corporation?

Oct 19, 2022
Hello all! I am trying to research a part of supersonic flight/space history. Specifically, a Marquardt corporation fuel control assembly, that looks like it is possibly from something similar to the Boeing x-15. Anyone with expertise with ramjets/scramjets/turbojets or the like that could give me a clue as to what exactly this came off of would be very helpful! A link to many photos is below.

Thanks everyone!

My Photos