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 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
Prototype of the first permanent magnet used for nuclear magnetic resonance experiments outside the USA built by Mullards for R.E.Richards who used it for practical lecture demonstrations c.1956 Prototype, first permanent magnet used for nuclear magnetic resonance experiments circa 1956
First permanent magnet for high resolution nuclear magnetic resonaince made by Mullard Ltd., for Rex Richards, 1959-1960 First permanent magnet for high resolution nuclear magnetic resonaince made by Mullard Ltd. 1959-1960