ScientificAmerican1920-09-04.jpg Scientific American 1913-05-31ThumbnailsSt. Nicholas 1926-12Scientific American 1913-05-31ThumbnailsSt. Nicholas 1926-12Scientific American 1913-05-31ThumbnailsSt. Nicholas 1926-12Scientific American 1913-05-31ThumbnailsSt. Nicholas 1926-12
Working with bare hands on live lines by means of the safety stage.