The Fundamental Processes of Dye Chemistry #267079

In most cases the original weights and prices have been retained (in francs per instead of trying to convert them into shillings per pound. It was felt that, as the figures referred usually to pre war conditions in Switzerland, and having regard to the present unsettled state of the exchanges and of production costs, no good purpose would be served by attempting to give the English equivalents which, in any case, would in all probability only be misleading.