ROYAL INSTITUTION
... The leetre-room' of the Royal Institution was erowded in every part on Friday evening, to hear Professor oh Faraday explain the notion of Rubmkorff's apparatus, by el which the effects of induced electricity are meet strikingly a exhibited. Mr. Rahmkoiff is a philosophical instrument- tv maker at Paris, who has contrived by'the application of h, wellknowa principles, and by a new combination ...