Flachprofil-instrumente / Siemens & Halske
Les nouveaux modèles type Z / Siemens & Halske
Instrumentos portátiles para medidas industriales / Siemens & Halske
Instrumentos multiples con conmutador de campos de medida, de nueva construcción / Siemens & Halske
Instruments portatifs Siemens pour l' exploitation et le montage / Siemens & Halske
ESIMAC. Aparelhos de medição eléctricos
English Electric. Portable instruments - Model 285 : Ammeters & Voltmeters: D.C Moving Coil
English Electric. Portable instruments - Model 185 : A.C Ammeters & Voltmeters: Moving Iron
English Electric. Indicating instruments for use with motor control equipment
English Electric. Painel instruments types S20, S25 & moving coil square flush pattern
English Electric. Combined single-phase kEk meter and terhmal maxium demand ammeter - Type B31B-LC
English Electric. Reactive kilo Volt Ampere-hour meters - types A52 and A53