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An Electric Lightning Board
UMG22A63_483

An Electric Lightning Board

Electrophorus is a form of historical Influence machine and is used to separate electrical charges and produce high electrical voltages by means of Influence
UMG22A44_176

Electrophorus is a form of historical Influence ma...

Induction apparatus for the purpose of electric lighting / Induktionsapparat zum Zweck elektrischer Beleuchtung
UMG21A09_094

Induction apparatus for the purpose of electric li...

electric train locomotive construction by Jean-Jacques Heilmann
UMG20B50_361

electric train locomotive construction by Jean-Jac...