Philosophical Transactions of the Royal Society of London · 1774 · 32 citations · 0 references
EngineeringElectrical EngineeringPhysicsElectric MachinesElectromagnetismInstrumentationDirect Current MachinesElectrical InstrumentsHistory Of Scientific InstrumentsInstrument Makers
Abstract Fig. 1st [Tab V. and VI.] is a representation of the machine, with its apparatus, as was used when electrical sparks were drawn from the conductor, in a positive state.