antique railroad or school demonstration telegraph morse key morsetaste 1920s

Description

-nice telegraph key from cca 1920,probably school demonstration education teaching aid model
-wooden,nickel plated brass and aluminum parts
-in nice condition
-wooden base 10x17 cm
-worldwide registered airmail shipping cost 35 USD
-accept bank transfer,Paypal For your consideration is a very nice antique electrical SPST porcelain knife switch manufactured by Monowatt Co.
The switch is in very good functional condition.  The switch measures 2-1/2 x 1-1/4".  The contacts show minimal wear consistent with age.  Please look at the pictures carefully as they are considered part of the description.
Make sure to ask questions before you bid.
Thanks for looking.
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Item description:
I try to describe my items to the best of my ability, but it is not always possible for me to perceive what your concerns with this item might be.  Please look at all the pictures carefully and ask questions
before you bid
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