kWh maximum demand meter from the 1960's<br /><br />Make Landis & Gyr ( Switzerland )<br /><br />Type: MF1tm<br />Current: 100 / 5 Ampères<br />Voltage: 220 / 380 Volts<br />Frequency: 50 Hertz<br />Constant: 27 rev / kWh<br /><br />3 rate electromechanical tariff registers controlled via external time clock.<br />Picard elektrowater Amsterdam
