{{ :wiki:bk-747b_2.jpg?nolink&200|}}====== B&K 747B Tube Tester ======
{{ :wiki:bk_model_747_dyna-jet_tube_tester_manual.pdf |747 User Manual}}\\
{{ :wiki:bk_model_747_tube_setup_chart.pdf |747B Setup Chart}}\\
{{ :wiki:bk_model_747_dyna-jet_tube_tester_schematic.pdf |747 Schematic}}\\

I don't (jet) own this one, but it's certainly an interesting piece of kit.