Light bulb fittings. The bulb at right has an Edison Screw fitting. The bulb at left has a bayonet fitting. The Edison Screw fitting mechanism was dev
Light bulb fittings. The bulb at right has an Edison Screw fitting. The bulb at left has a bayonet fitting. The Edison Screw fitting mechanism was developed by Thomas Edison in 1909.
Size: 2467px × 3700px
Photo credit: © SHEILA TERRY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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