L-47

AcronymDefinition
L-47Teaching Reactor (#1) at Atomics International
References in periodicals archive ?
So by way of complacency and circumstance I landed at L-47, an older structure with failing, antiquated systems always in need of repair.
A sure sign that L-47 had become an anachronism was the 500-foot observation tower on the eastern hill.
The greatest challenge was that L-47 was built from materials altogether different from those of my previous residences.