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During the period between the late '30s and the beginning of the '40s, the company affected, as all other European producers, the effects of the war, and because of economic difficulties and supply shortage a drastic simplification of production was made, using only [[button filler]] and arrow clip on all models. In 1941 the company launched a model produced exclusively for the army, the [[Columbus 29]] that after was also distributed on the overall market.

During the period between the late '30s and the beginning of the '40s, the company was affected, as for all other European producers, by the effects of the war, and because of the economic difficulties and the supply shortage a drastic simplification of production was made, using only [[button filler]] and arrow clip on all models. In [[1941]] the company launched a model produced exclusively for the army, the [[Columbus 29]] that after was also distributed on the overall market.