Eversafe Potential Indicator
Two pole voltage indicator with neon lamp inside.
Original Box
This item includes the original instruction sheet and the lower half of the original box.
Type B, Patent No. 830153, Factory Inspectorate Certificate No. I.S.3177
Made by T.S.G Seward, 11 Station Road, Stockton-On-Tees.
Sealed Probes
Both probes are made from tubular plastic, completely filled with transparent resin.
The internal components can be seen clearly, consisting of a resistor in one probe and a resistor and neon in the other.
Both probes have a crack along the length of the tube, possibly due to the resin inside expanding.
Complete Device and Instructions
View of the complete device showing the black connecting wire. This is still reasonably flexible, despite it's age.
The instruction sheet is shown as a medium sized image. A full size 600dpi version can be downloaded here. (PNG image, 224KB).
