Both instruction manuals were copy written in 1982 by John Fluke Mfg. Co. Inc. The first part of this book was written in 1972 for the Model number 8425A Digital Multimeter Instruction Manual. This manual has 97 pages plus 16 diagram pages. The last part of this book was written in 1971 for the 8400A Digital Voltmeter Instruction Manual. This manual has 8 sections including schematics diagrams. Limited supply!
