Public domain photos

The image shows a black and white drawing of a machine with grass growing out of it, which is believed to be a vulcan, a device used to generate electricity. The text accompanying the drawing likely provides further information about the device.

The image shows a black and white drawing of a machine with grass growing out of it, which is believed to be a vulcan, a device used to generate electricity. The text accompanying the drawing likely provides further information about the device.Open in library