Göteborgs Handels- och Sjöfartstidning – 21 mars 1851, sida 4

Sa A D Å D 4 weekly illustrated Recorder of Inventions, Designs and Art-Manufactures; and Journal of Patents, Plans and Progress of public Improvements, Engineering Mechanical Works, with Memoirs and Portraits of celebrated Inventors Kc Ec. Prosusely and artistically illustrated. Pris för; hvarje Månadshåfte 1 Rdr. Allt banko. (2456.)