Number of sheets: 5
E. F. Johnson Company Design File Data Sheets. Matchstick Design File, Catalog No. 137-102, Data Sheet 706; Viking Challenger Design File, Catalog Number Kit-240-182-1, Wired 240-182-2, Data Sheet 709; RF Contactor Design File, Series 145-100, 145-200, Data Sheet 751; New Johnson Sub-Miniature Type U Variable Capacitor Design File, Catalog Numbers 189 1-6, 26-28, Data Sheet 756; Dual Banana Plug Design File, Catalog Numbers 108-201 - 108-213, Data Sheet 757.
