Foucault Pendulum for Demonstrating the Earth's Rotation

1988

Single-electron detecting chip, 1997

1992-1997

Photograph, showing the formation of a new isotope of hydrogen

1937

Photograph showing disintegration of boron into 3

1937

Photographic print, showing the formation of a new isotope of helium by bombarding heavy hydrogen with deuterons

1937

Alpha-ray tracks in a strong magnetic field

1937

Cascade generator for 1.5 million volt accelerator

1937

Plastic transistor incorporating a semi-conducting layer of polyacetylene

1988