FeMnNi – Iron Manganese Nickel AA Lamp – ThermofisherUnicam 7pin Coded -AA-18564-MEL-TC

Fe/Mn/Ni – Iron/ Manganese/ Nickel, Hollow Cathode Lamps, 37mm (1.5″) Multiple Element’s in Cathode – Thermofisher/Unicam 7pin Coded lamps