Read "A Dead Finger" by Sabine Baring-Gould online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
I had recently placed the lighting of my house in the hands of an electrical engineer, a very intelligent man, Mr Square, for whom I had contracted a sincere friendship.
He had built a shed with a dynamo out of sight, and had entrusted the laying of the wires to subordinates, as he had been busy with other orders and could not personally watch every detail.