Antique Thomson Houston Scientific Instrument Wooden Box Paris France

Description

Vintage Wooden Box
Not sure what it is. You be the judge please.  Marked:  Thomson Houston  Paris France.
Box in Good condition. No chips or cracks.
Measures roughly 7 3/8  X 6  3/8 inches X 3 3/4 inches. This antique electrical instrument works voltmeter is a rare find for collectors and enthusiasts alike. With its original Hoyt maker and pre-1930 time period, this piece is a true gem for anyone interested in the history of scientific equipment. The voltmeter is in need of repair, making it a unique opportunity for hands-on restoration and preservation. Perfect for display or practical use, this antique instrument is a must-have for any collection.
Any questions please contact me I do not know a whole lot about it one of the ends is 100 volts for testing and the other end is 500 volts.  The voltmeter in the center is not complete just parts.