[ARCHITECTURE]. The Builder's Dictionary: or, Gentleman and Architect's Companion. London: A. Bettesworth, C. Hitch, and S. Austen, 1734. 2 volumes, 8vo (200 x 107 mm). Engraved frontispiece, 34 plates folding engraved plates on 33 leaves, several full-page woodcut illustrations. With the approbation leaf in vol.II (not mentioned in RIBA), and with the two supplements and the errata leaf. Contemporary calf gilt, red morocco lettering-pieces gilt (neatly rebacked preserving original spine, slight chipping to one lettering-piece, some minor rubbing). Provenance: George Armstrong (signature dated 1735). FIRST EDITION of the most substantial English architectural dictionary published to date, notable for its inclusion of Hubert Gautier's Traite des ponts, likely the only English translation. A FINE COPY. RIBA 480.