20 Pieces E10 Miniature Screw Base Light Bulbs Replacement E10 Mini Bulb for Physical Electrical Experiment Screw Base Indicator Light Incandescent Bulb (1.5V, 0.3A) - - Amazon.com
1449 MINIATURE BULB E10 BASE 14V 14 Volt 0.01 Amp G3-1/2 Miniature Screw ( E10) Base 30 000 Average Rated Hours 0.94" Maximum Overall Length 1449-300 Lionel Led