‎HEISENBERG, WERNER KARL.‎
‎Über den Bau der Atomkerne, I-III [All]. (Extracted from Zeitschift für Physik, Band 77, 78 & 80). - [HEISENBERG'S ATOMIC MODEL]‎

‎Berlin, J. Springer, 1932-33. 8vo. Bound together in recent attractive marbled boards. Leather title-label with gilt lettering on front board. Title-pages from the three volumes withbound (small rubberstamp). (11),(9),(12) pp.‎

Reference : 26607

‎First edition of Heisenberg's neutron-proton model. Shortly after Chadwick discoverd the neutron in 1932, Heisenberg developed a theory suggesting that atomic nuclei are composed of protons and neutrons, -this introduced the concept of the nuclear exchange force and isotopic spin. (DSB 17: p.398).‎