Paulsell for their help with this piece.i also benefited greatly from discussing an earlier draft of the adams material with carolyn Dinshaw. 1 a dynamo is an electrical generator.in , adams describes himself as fascinated by the display of dynamos at the great exposition held in Paris in 1900.on the one hand, unlike the Virgin, a dynamo extracted power from natural material; on the other, the method of extraction, devised by the human mind, remained both material and mysterious.see henry adams (1983); and christopher Perricone (1991