Operator and organizational maintenance manual : substation, trailer mounted, 500 KVA, AC, 4160-416Y/240V, 208Y/120V, 3 phase 50/60 hertz, avionics model 950-2200A, FSN 6120-422-1047.

"May 1972."

Substation maintenance.

Includes index.

Cooperative station observations /

"July 1989."