Oldest operational computer was Re: cctalk Digest, Vol 54, Issue

[woodelf]

Jason McBrien wrote:
> What about magnetostrictive delay line memory? Output could be a typewriter
> rigged up to solenoids, though I'm not sure when solenoids were invented -
> I've found companies that have been producing them since 1918. They're easy
> enough to build.

Post WWI seems to be about the right age, for computers could have been built.
I even have the right USE ... computing for building bigger ships for the Navy.
Forget why computers were developed after WWII, this is historical fiction.