I second the solenoid switch. My partner, an electrician, says it looks
like a solenoid starter switch for an automobile or tractor. Modern example
here
<http://www.morrisminorspares.com/electrical-c54/electrical-switches-charging-c56/pull-type-starter-solenoid-switch-lucas-p829723>
.

Cheers!

Zada Komara, Ph.D.
Lecturer, Lewis Honors College
University of Kentucky
[log in to unmask]
Twitter: @KYArchaeologist


On Tue, Mar 26, 2019 at 8:20 AM Mike Flannigan <[log in to unmask]> wrote:

> I believe the one below is an electrical switch.
> Perhaps described as a "solenoid" switch.  It
> is just an on-off device that makes contact if
> another circuit (for the coil) is energized.
>
>
> Mike
>
>
> On 3/25/2019 11:00 PM, HISTARCH automatic digest system wrote:
> > The second artifact is some electrical component. The body is mostly
> ferrous metal and there are two coils of copper wire of differing
> gauges/thickness. For the research we were able to do on the internet we
> think it might be a power supply or current / voltage switcher.
> >
> > http://www.internmentarchaeology.org/artifact/13-2-4800
>
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