Number 20 in an Edition of 35, signed by the artist. Staple bound, accordion fold book with letterpress printed cover text and eight dust-grain copper plate photogravures, printed on the recto and verso of each page. "Built in 1931, Sag Harbor Hortonosphere- also known as the Big Blue Gasball- was dismantled in 2006. Aquatinted photogravures from plates made and hand printed on Magnini paper by Franco Marinai."--Colophon.