(!!!) (Single) 12BH7A Raytheon Black Oval Plates “”D”” getter NOS 1950”s (10.6/7.8ma)

1 low noise tube) 12BH7A Raytheon Black Oval Plates “”D”” getter NOS 1950”s – 12BH7A wiped off glass

1 section) 10.6ma Gm=3100

1 section) 7.8ma Gm=2500