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You can use a #47 or #44, but the projected image will be smeared/blurry.
The required bulb has the filament configured to provide a point source of light.
It has a designation number consisting of four digits, something like 1829 (that's not the number, but something similar) and danged if I can remember it. Somebody on here surely remembers it.
Last edited by old_coot88; 12-24-2015 at 09:02 PM.
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