Crocker Wheeler Motor Brush Holder, Size 3, Vintage, Antique

Description

1 Used Crocker Wheeler Motor Brush Holder, Size 3. Buying the item in this listing as-is with no returns.
Used with wear and needs cleaned, missing screw and nut, see the images for this condition. See the images for what is included in this listing. See the images for the condition of the item in this listing. Request other information if needed to determine the acceptability for use in your application. Make sure to review the images in detail to understand what you are purchasing.
Age is unknown, I would date it sometime before the 1940s. Unit is untested, although when the unit is moved in the air the needle smoothly arcs across the meter so nothing appears sticky or stiff. All dials and knobs move smoothly as well. There is some small object rattling inside, not sure how to open the device so not sure what that object is. If you have any other questions feel free to ask.
Antique Laboratory Standard Alternating Current Voltmeter US Navy Rare. Shipped with USPS Priority Mail.