1950's version were more beefy and were
usually of the tilt-up type in the longer mid-twin
layouts. Hooks
in the ceiling secured the bunk during the day. The
bunk option sacrificed the overhead stowage compartments,
and was usually only found on the twin layout in the
Tradewind/Overlander/Ambassador/Sovereign lengths,
but sometimes in the double bed layout.




...and could be only on one side....
...and sometimes on the double bed layouts...

Here's the over/under windows indicative
of bunkbeds from late '50's to 1964.


Smaller 18 footers usually had permanent
mounted bunks because they were in the curved section. The
permanent mounted bunkbed itself with metal tuning
railing.
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