DISRAELI DOCUMENTS

T.C.F. Revue Mensuelle
February 1911 - de Vivie letter

T.C.F. Revue Mensuelle February 1911 - de Vivie letter main image

This quote from a letter from Paul de Vivie implies that the Boizot Tri-direct derailleur was exhibited at the bicycle shows in the winter of 1910/11.

(Source gallica.bnf.fr/ Bibliothèque nationale de France)


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