1908 Article Submarine Fishing Boat Diagram Gradenwitz - ORIGINAL TW2

Submarine Fishing Boat This is an original 1908 2 page (1 double-sided page) article by Dr. Alfred Gradenwitz on a submarine boat that was to be used in sponge fishing. Please see additional image. CONDITIONThis 103+ year old Item is rated Very Fine +. Light aging throughout. No natural defects. Some moderate surface rub. No tears. No water damage. There is moderate bleed through/surface rub on page 2 of this article. Please note there is printing on reverse. Product Type: Original Print Article; Black / White Grade: Very Fine + Dimensions: Approximately 6 x 8.25 inches; 15 x 21 cm Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation) Keywords specific to this image: Deep Sea Fishing, Carthage, Abbe Raoul, Engineering, Tunisian Sponge Fishing Industry, Measurements, Specifications, Toulon HarborTW2A8C08