Argus 300 slide projector. How to remove & replace bulb :Suggest wearing clean latex or nitril glove (or using a piece of paper towel)to grip top of bulb, apply just a bit of downward pressurethen rotate bulb CCW ~45-degrees and you should then be able to remove it.NOTE : Good idea to make note of how the bulb's 2 base pegs are oriented as you remove the bulb to help w/install.Install opposite, letting 2 base pegs 1st engage in bulb socket,then apply just a bit of downward pressure & rotate CW ~45-dgreesuntil it hits stopWhere to find Argus 300 replacement bulb :Listed below are the many possible replacement bulbsNot sure if any still in mfg, so eBay may be best hope.ALLEGEDLY per
https://www.replacementlightbulbs.com/lampclsclg.html the Sylvania CLS bulb has these properties :: Wattage: 300W Voltage: 120V Filament: C-13, C13 Glass: T-8.5, T8½, Tubular, Opaque Top Base: SC Bay, Single Contact Bayonet, BA15s Lumens: 7600 Maximum Overall Length: 4.12" Maximum Overall Diameter: 1.06" Light Center Length: 1.38" Average Rated Life: 25 Hours Color Temperature: 3200K, 3200°K w/ Alternate Part Numbers: Tower Projector Lamp #8511, 300T8.5/10 for CLG and 300T8.5/11 for CLS, 300T8½/10, 110V, 115V, PH/300T81/2/11, PH/300T81/2/10, PROJ, CG-81-X, PH300T8.5/10, PH/300T8.5/10, PH/300T8½/10, Eiko 00830, GE 29494, Ushio 1000137, Sylvania 300D1, KEIC 300W-110V, KP-8½ OTHER: ·
Recommended Replacement CMV/CMT Alternate Part Numbers: YP7212N/05, YP 7212N/05, 99-7119, Eiko 00850 ·Possible Substitutes o
CGW/CGT Alternate Part Numbers: P-6166N/05, A1/26, PH200T8/113, 58.8371, 200B1, TH200TB-113 o
CLA Alternate Part Numbers: Westinghouse _?_ , 115-125V, USA o
CLM Alternate Part Numbers: Radiant, PXBC, 300T8.5/10-115V