Projector bulb lamp A1/186 12V 100W BA155 type 7238N-05 B15s NEW..... 31 fx | eBay
AO Manual Projector Bulb - Premier Ophthalmic Services
Changing the projector bulb at the movie theater I work for (in half the plastic casing so it doesn't bump anything and become a hand grenade) : r/pics
Replacement Bulb for Topcon ACP-8 and ACP-8R Auto-Projector