R. Austin Freeman, The Mystery of Angelina Frood… (1925)
“ We had traversed nearly half the lane when Bundy stood up and stretched himself. "I don't know what your back is made of, John," said he. "Mine feels as if it was made of broken bottles. How much more have we got to do?""We haven't done half yet," I replied, also standing up and rubbing my lumbar region; and at this moment the sergeant, who was a few yards ahead, hailed us with a triumphant shout. We both turned quickly and beheld him standing with one arm raised aloft and the hand grasping a silver-topped hat-pin. ”
