CH12322A
(en )
1896-11-30
Watt meter for alternating and direct current
CH12488A
(en )
1897-01-15
Electricity meter for alternating current
CH285E
(en )
1899-08-31
Electricity meter for alternating current
CH302E
(en )
1900-04-15
Electricity meter for alternating current
CH340E
(en )
1901-05-31
Electricity meter for alternating current
CH11553A
(en )
1896-07-31
Motor meter for alternating current
CH13138A
(en )
1897-05-31
Electrodynamometer for alternating current with laminated iron cores
CH12826A
(en )
1897-03-15
Sheathed transformer for multi-phase electricity
CH9812A
(en )
1895-08-31
Watt-hour meter for alternating current
CH9818A
(en )
1895-08-31
Electricity meter for alternating currents
CH12971A
(en )
1897-04-15
AC motor meter
CH11788A
(en )
1896-08-15
Single-phase alternating current motor
CH12247A
(en )
1896-11-30
Electricity meter
CH12754A
(en )
1897-02-15
Electricity meter
GB189623512A
(en )
1897-10-16
Improvements in Electricity Meters for Alternating Currents.
CH12489A
(en )
1897-01-31
Electricity measuring and counting apparatus
GB189612390A
(en )
1897-04-10
An Improved Form of Integrating Watt or Ampere Hour Meter for Continuous or Alternating Currents.
CH23933A
(en )
1902-10-15
Electricity meter for three-phase current
CH12769A
(en )
1897-02-28
AC transformer
CH13726A
(en )
1897-08-15
Measuring device with magnetic rotating field for alternating current
DK377C
(en )
1896-02-17
Electricity meter.
CH3996A
(en )
1892-03-15
Electricity generator for ordinary or multi-phase alternating currents
GB189618220A
(en )
1897-06-19
An Improved Meter or Apparatus for Registering the Consumption of Alternating Electric Current.
CH13801A
(en )
1897-08-15
Measuring device for three-phase current
ES18857A1
(en )
1896-06-01
Improvements in electric meters.