Black and white photo of a large electrical panel. Several switches, knobs, and gauges with labels cover the panel. Pipes can be seen next to the panel. A small engine is in the right foreground.
Original Photo Log entry: TELEPHONE INSTALLATION - SIDE VIEW OF (R.S.) POWER PANEL
[Interior view of the telephone equipment in the East Arsenal (1824) showing power panel. Electric motor is installed at lower right.]
U.S. National Park Service
NO COPYRIGHT - UNITED STATES: The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information. Reference http://rightsstatements.org/vocab/NoC-US/1.0/
National Park Service, Springfield Armory NHS, SPAR 15225, Negative 7704-SA.1