Would one of the following guesses possibly apply to the item shown in the first images?:
<OL TYPE=A>
[*]Autotransformer?,
[*]Circuit Breaker / Motorized Cut-out?,
[*]Voltage Boosting Transformer?,
[*]Series Street Lighting Regulating Transformer?,
[*]Power Factor Correcting Assemblige (Caps + Inductors)?,
[*]Space People Bringing Stuff To Earth?
</OL>
Anything sound possible?
Scott35