You might have some luck applying isohybrid(1) to the period-correct .iso image,...

		endgame 65 days ago \| parent \| context \| favorite \| on: Floppinux – An Embedded Linux on a Single Floppy, ... You might have some luck applying isohybrid(1) to the period-correct .iso image, making it bootable by other means: https://manpages.debian.org/stretch/syslinux-utils/isohybrid...