Schematics Content:
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CIRCUIT DIAGRAM HAMMARLUND - ROBERTS " HI - Q 29 " RECEIVER
(MASTER) (FOR BATTERY OPERATION)
CIRCUIT DIAGRAM HAMMARLUND - ROBERT * HI - Q 20 " RECEMER
(MASTER) A.C. MODEL
CIRCUIT DIAGRAM OF HAMMARLUND - ROBERTS " HI - Q 29 RECEIVER (MASTER AC. MODELI USING 2.25 V AC TUBES.