Circa 1889 Crocker Wheeler Dynamo Regulator. This Beautiful Control Consists Of Four Steel Plates With Stamped Out Letters CW. A Cast Brass Motor Tag Is Located On Top Of The Control Knob, This Is Rated For 110V And Has A Resistance Of 25 Ohms. This Controller Is Unusually Large Standing 10.5"H x 6.5"W x 8"D. One Of The Cast Panels That Makeup The Housing Has Been Cracked. This Does Not Effect Operation Or Stability. The Perfect Piece To Pair With Larger Crocker Wheeler Dynamo.