Title: The discovery of the natural printing-process. An invention for creating by means of the original itself - in a swift and simple manner - plates for printing copies of plants, materials, lace, embroideries, originals, or copies, containing the most delicate profundities or elevations as not to be detected by the human eye - which plates for printing are capable of producing two results on paper - the one producing a copy of the original, upon a white ground, in various colours with one single impression - the other producing a copy in white upon a coloured ground - the latter by ordinary letter-press - the former by the copper-plate press - in both instances without the aid of drawing or engraving.
Authors: Auer, Alois, 1813-1869.
Publisher: From the imperial Court and printing office.
Year: 1853