German company (1903-40) which built 3 whelers at first using Fafnir engines and afterwards their own single and V-twin engines. From 1907-26 there were no motorcycles produced, but production resumed with Kuhne engines. Merging with Elite, Opel and EO machines were produced with duralumin frames and Opel or Kuchen engines. From 1937-40 Sachs engined lightweights were produced.
here for pamphlet of Diamant Model 37
Click here for pamphlet of Diamant Model 30
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