Cross stitch charts - Vintage style

According to history, a certain Wittich, an engraving merchant from Berlin who, in 1805, was the first person to propose cross-stitch pattern charts which were painted with watercolour. His success was immediate and the method was quickly imitated in many European countries. In France, Monsieur Sajou was one of the pioneers of cross-stitch pattern charts and coloured pattern charts for tapestry.  First with the watercolour models and later by printing the famous little Sajou albums, for which he won numerous prizes during the universal exhibitions.