File:184A, Central London Railway - Front View of High Tension Panels, showing Three-phase Switch.jpg
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Size of this preview: 547 × 599 pixels. Other resolutions: 219 × 240 pixels | 438 × 480 pixels | 701 × 768 pixels | 935 × 1,024 pixels | 1,764 × 1,932 pixels.
Original file (1,764 × 1,932 pixels, file size: 601 KB, MIME type: image/jpeg)