Science 835. A treatise on the fortifications of castles and towns, inspired by fear of the Turks, and containing some of Dürer's principal architectural work. Provenance: Nineteenth-century armorial ink stamp on title from the library of a German Corps of Engineers ("Genie Regiment"), manuscript shelf-mark on front pastedown and shelf-mark label on upper cover. " /> DÜRER, ALBRECHT. Etliche underricht, zu befestigung der Stett, Schlosz, und flecken. Nuremberg: [Hieronymus Formschneider], October 1527. <I>Folio, 293 x 178 (11 9/16 x 7), nineteenth-century half sheep, edges sprinkled blue, worn, 13 leaves with gutters renewed incurring slight loss to initials or woodcut diagrams of 9 leaves, cropping to woodcut diagrams or lettering of 7 leaves, 3 double folding plates reinforced at sheet junctures with loss to diagrams or lettering, a few small mostly marginal perforations, occasional discoloration at sheet junctures, marginal dampstaining to a few leaves, minor marginal soiling</I>. FIRST EDITION, the issue without the errata leaf and extra folding plate showing a fortress under siege, gothic type, ornamental gothic woodcut initials, title with large woodcut arms of Ferdinand I, 20 woodcut diagrams or illustrations of fortifications, etc. (one of a cannon), most with lettering cut on the block, 13 on 10 folding double sheets. Brunet II, 913; Fairfax Murray <I>German</I> 151 (calling this the "second edition"); Stillwell <I>Science</I> 835. A treatise on the fortifications of castles and towns, inspired by fear of the Turks, and containing some of Dürer's principal architectural work. <I>Provenance</I>: Nineteenth-century armorial ink stamp on title from the library of a German Corps of Engineers ("Genie Regiment"), manuscript shelf-mark on front pastedown and shelf-mark label on upper cover. | Christie's