The Necchi cabinet's hinges are 9.5" OC. The Admiral's holes for hinges are also 9.5" OC, but it has no hinges, so they could probably be swapped out if I wanted the Admiral. It is a pretty machine. I don't have to decide as the portable doesn't take up much space. I do have decide about the rusty treadle in the middle of my kitchen.
GrannieAnnie, I just looked again. It does faintly say Ruby, which means it may be a New Home or a National. The cabinet is not like any New Home I've seen.