For flashbulb info try here.
http://www.butkus.org/chinon/flashes_meters.htm
Look for
GE Flashbulb Data 1961
http://www.cameramanuals.org/flashes..._1961_data.pdf

If you use this download please make the suggested $2 donation to his web site.
It takes him a lot of time and money to keep it running for us.