Macaloster Scientific Michelson Interferometer Vintage

Description

Michelson Interferometer Vintage.
Found ina chemistry classroom
Shipped with USPS Priority Mail.
Gorgeous  Antique !   works
Can't say for sure, but just about 100+ years old...?
All Original GE Open Face Electric Motor 110V AC 1/6HP
aprox. size= 9" x 7" x6" - 20.5 lbs
Read label for further specs.
We got it covered in sawdust, we cleaned it up, smoothed it real nice inside & out
Oiled the real neat wicking brass bearing oilers,
Plus bought new carbon brushes, fitted them, & away we go..........
When looking at the end of Shaft it turns counter clockwise
CAUTION ! this motor is from a time....
Where wires hooked up directly to the exposed brush retaining screws.
There is no cover, nor insulation - care needed to avoid shock hazard !
This would not meet current safety standards.
Sold as antique scientific curiosity
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Shipping Size: 10 x 8 x 7  -25lbs