Quick view Add to Cart Operation and Service Instructions with Illustrated Parts for Flux Gate Amplifier Tester - Type 13659-1-A Document Part Number: NAVAER 17-15CK-504 Number of pages: 32Part Number: NAVAER 17-15CK-504Revision Date: 15-Sept-1957Description: Mfg By: Eclipse-Pioneer MSRP: Was: Now: $21.30