Electromagnet for nuclear magnetic resonance experiments, comprising cast iron yoke and six hand coils (4 original 2 later) constructed by Dr. R.E.Richards F.R.S., c.1951-53. Electromagnet used for NMR experiments, about 1951-1953 1951-1953
First permanent magnet for high resolution nuclear magnetic resonance made by Mullard Ltd., for Rex Richards, 1959-1960 First Permanent Magnet for High Resolution Nuclear Magnetic Resonance. 1959-1960
First homogeneous superconducting magnet with cryostat made by Oxford Instruments for nuclear magnetic resonance experiments, also stand, counter weight and carrying frame c.1964 First homogeneous superconducting magnet with cryostat made by Oxford Instruments 1964