by S. Gerszonowicz
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High-voltage A.C. circuit-breakers
Unidades eléctricas y folométricas
The galvanometer, and its uses
Empfindliche Galvanometer für Gleich- un...
Electrical measurement and the galvanome...
Manuel du galvanisme, ou, Description et...
The effects of time-varying impulses on ...
Spiegelgalvanometer und Lichtzeigerinstr...