Exceptional condition. The whole meter measures 9" in diameter and 7 7/8" deep and weighs about 20 pounds. Includes some of the original wiring at the back. The back bears an airbrush stencil that reads '2213'. Patent listed can be found here.
Very very clean label behind the glass reads as follows:
NO 409110
3 PHASE UNCALANCED LOAD
PATENT NO. 276080
B.S. 1ST GRADE.
KILOWATTS
C.T. RATIO 50 - 5
P.T. RATIO 12000 - 100
~25
A. Reyrolle & Co. LTD. Hebburn, England.
Made in England.