Fossilised dinosaur vertebra showing a tumour, United States, Triassic Age 251 million years ago – 199.6 million years ago
A black and white silver gelatin photograph entitled "In 1970 the Peabody Coal Company, America's largest producer of coal, began surface mining operations on Black Mesa, leasing 64 858 acres from the Navajo and Hopi native American tribes, Black Mesa Mine, Kayenta, Arizona, 1988", by Raissa Page. From the Impressions Gallery exhibition 'Working the Surface of the Earth', shown 23 July - 3 September 1988 The Peabody Coal Company, America's largest producer of coal 1988
A black and white silver gelatin photograph entitled "Black Mesa Mine, Kayenta, Arizona", by Raissa Page, 1988. From the Impressions Gallery exhibition 'Working the Surface of the Earth', shown 23 July - 3 September 1988 Black Mesa Mine, Kayenta, Arizona 1988
A black and white silver gelatin photograph entitled "Black Mesa Mine, Kayenta, Arizona 1988: Surface Mining is essentially an earth moving operation", by Raissa Page. From the Impressions Gallery exhibition 'Working the Surface of the Earth', shown 23 July - 3 September 1988 Black Mesa Mine, Kayenta, Arizona 1988
Real-time ultrasound scanner, made by Advanced Diagnostic Research Corporation (ADR), Tempe, Arizona, USA, 1975 Real-time ultrasound scanner 1975