| Type | Manual |
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Check the listing for details. DRAKE SPR-4 OPERATING INSTRUCTIONS + TECHNICAL MANUALS + 11x17" SCHEMATIC + 5-NB. Condition: Like New. Listed at 24.95 USD. 11x17" SCHEMATIC DIAGRAM. 66 page Drake SPR-4 technical manual. 2 page Drake 5-NB noise blanker instructions and diagrams. Schematic diagram printed full size at 11 x 17". TECHNICAL MANUAL.