designers of individual products. Therefore, functionality specifics will depend on who designed it.Physics
The wide diameter area depicted in the photograph may have enhanced or reflected illumination. The narrower end may have served as a release point for replacing batteries. However, this cannot be confirmed based solely upon visual inspection.
Careful inspection of any potentially surviving examples of this type of unit should provide further insight. Search for seams, battery compartments, switches, contacts, bulb sockets and/or molded model numbers (if present). Identification confidence level will significantly increase with discovery of any of these characteristics.
source: Amazon.comLamps & Lighting
Reasons why illuminated toilet paper holders became obsolete
Illuminated toilet paper holders failed to become standard equipment in every american bathroom. While plug-in nightlights were less expensive and required far fewer components, modern homes began equipping themselves with dimmers switches, motion detectors and low-power LED lighting.
Many modern toilet
