Antique Central Scientific Co. Wheatstone Bridge Electrical Resistance Device For Sale

Here is a Recent Estate Find. This is a Rare Antique Central Scientific Co. Wheatstone Bridge "Resistance Box or Post Office Bridge" Electrical Resistance DeviceCased Testing Device Tool, for Electrical Resistance Measurements, Made by the Central Scientific Company Chicago Illinois USA. This is Made of Brass, Bakelite and Mahogany Wood, and Measures approx. 9 3/4" x 7 1/2" x 6 1/2".This is in Good Original Condition, and Will Make a Great Display Piece or Addition to Any Science and Scientific, or Steam Punk Collection!!! This is in Very Good Original Condition, Click and Enlarge Photos for Details, Estate Fresh Sold As Found! Don't Pass This One Up! $99.99