identify your lightbulb > bulb identification key


STEP 3: Un-tipped, Bowl-frosted Bulbs
[Bulb is un-tipped and frosted on the outside of its bowl]

Select the option most resembling your bulb from the drop-down menu to proceed to the next step. Please consult "option descriptions" for detailed info.


[The drop-down menu can be re-set by refreshing your browser window.]


FULL OPTION DESCRIPTIONS / IMAGE GLOSSARY: [Option titles are also linked to proceed to the next step.]


OPTION A: Lamp is un-tipped and frosted on the outside of the bowl only, giving the bulb the appearance of “bowl frosting. key no. [520a]



Pathway History:
START
2 || Untipped-Bulb-Options

3 || Untipped-Bowl-Frosted

  thomas edison > website navigation thomas edison > home page thomas edison > timeline : early life thomas edison > timeline : inventing the incandescent lamp thomas edison > timeline : after lighting thomas edison > timeline : legacy of invention thomas edison > classroom thomas edison > interactive modules