Posted 1st January 1970 by Geeks & Lightbulbs › Forums › Other Forums › LaughterHouse-5 › Geeks & Lightbulbs › Geeks & Lightbulbs 28th February 2002 at 12:18 pm #59559 AnonymousGuest Two to study the old light bulb, two to study it’s replacement and screw it in when the study’s finished?