I think you should just keep these chems in the original containers and display them. They may still be good to use, but why chance it. They are B&W chemicals, but haven't been out for at least half a century. My info books go back to the early 1970's and do not list either. I may have a book from the 60's that might have info, but it's packed away and not easily gotten to. Microdol is the father of Microdol-X, but I have no recollection of times or other info you need to use it. Someone else out in Apugland may have knowledge of it, so be patient. In the meantime, buy some fresh chemicals, D-76, and a non-hardening fix, and even an indicator stop bath(tho not necessary), and a rinse aidlike Edwal LFN for final rinse and spot free drying.