% w r c~~ ct Mus6e cantonal d'archkologie, Neuchitel, Switzerland The study of similarities and differences in wood technology applied to boat construction of the Bronze Age and Romano-Celtic period was prompted by the following facts: the discovery of Dover's Bronze Age boat (completing those found at North Ferriby and the more recent one at Brigg), the scarcity of data relative to Iron Age boats (absent especially on the Continent), the homogeneity and large number of Romano-Celtic vessels, the construction of Altavipu (a replica of the Bevaix 1970/CH lighter) and, lastly, by the increasing amount of research published on concepts and building techniques.Romano-Celtic boats can, at present, be defined as follows: