US Patent 1061484 for the airship.
Printed on Archival matte art paper.
This invention relates to the class of air ships that is dependent upon the use of a medium lighter than air contained in a suitable envelop for suspension of the ship in the atmosphere. The main object of the present invention is to provide an air ship of this character having maximum lifting effect for a given weight and dimensions.
Level frames are made from Maple or Walnut sourced from FSC-certified, sustainably-harvested American forests. Learn more about our frames here. Level prints with color calibrated, high quality Canon and Epson printers. All printers use pigmented inks, which are recommended for longevity of fine art.