7944,
13" X 5', "O" series Catalog No. 34-B,
SCG with power feeds,
Overhead drive system intact and appears to be factory.
Bought from friend in Alexandria, VA., 
hat had it in 2nd story apartment in the living room (confirmed bachelor).
He acquired it from St Elizabeth hospital in DC.
Bed is in excellent condition.  Both spindle bearings are new.
Not built with a chasing dial, but one has been added.