The base was made by layering leather, coloring it to match the Hoya, and constructing it. The Hoya is from the original period. (It is removable.) For safety, the lamp has been tested for long periods of time before being listed. Please be aware that you are responsible for any issues that may arise from its use. Socket size: E17 bulb E17・5W Cord with inline switch [Height 295mm, base diameter 88mm, height 72mm]