Westinghouse AC Volt Meter, Range 0-20, Made in USA

Westinghouse AC volt meter displays 0-20 volts.  Made in USA.  Needle moves freely.  

Dimensions 3" x 3".

Vintage meters, new or used, are described as completely as possible.
Because of their age, they are sold as is.
I'll do my best to describe them as accurately as possible.
I have been selling on eBay for over 25 years, and I do my best.