Foucault Pendulum for Demonstrating the Earth's Rotation
1988
Single-electron detecting chip, 1997
1992-1997
Photographic print, showing the formation of a new isotope of helium by bombarding heavy hydrogen with deuterons
1937
Photograph showing disintegration of boron into 3
1937
Photograph, showing the formation of a new isotope of hydrogen
1937
Cascade generator for 1.5 million volt accelerator
1937
Alpha-ray tracks in a strong magnetic field
1937
Plastic transistor incorporating a semi-conducting layer of polyacetylene
1988