The differential cross section for quasi-elastic electron-deuteron scattering has been measured at the Cambridge Electron Accelerator in the four-momentum-transfer region from 7 to 115 F^-2 [0.27 to 4.47 (BeV / c)^2]. The method used involved a coincidence between scattered electrons and recoiling protons. Electrons without a high-energy proton in coincidence were assumed to be due to a neutron interaction. The impulse approximation as developed by Durand and McGee was used to extract from the data the ratio of neutron to proton cross sections. Neutron/proton cross-section ratios from deuterium were measured at q^2 = 7,10,15,20,30,45, and 70 F^-2 (at 20°); at q^2 = 15 F^-2 (at 90°); and at q^2 = 115 F^-2 (at 29.64°). It is shown that in the low-q^2 region there are problems of theoretical interpretation. Finally, all available experimental data on the electron-neutron interaction are used to calculate values for the neutron form factors.
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