john augustus roebling, cornelius vanderbilt, verrazano, betsy ross, cristoforo colombo, olcott, totowa, alexandre gustave eiffel, verrazano narrows, frederic auguste bartholdi, girasole, hesper, ladoga, bartholdi, victor horta, john jacob astor, stickle, verseman, fraktur, amerigo vespucci, wind gap, erie canal, tinsmith, coalport, firehouse, molly pitcher, glenn curtiss, richard trevithick, percha, brownstone, metalworks, tappan, bargello, genoese, donato bramante, huguenot, pier luigi nervi, topstone, gehry, grazioso, degraw, tercentennial, peterhof, moravia, malleable iron, virts, tannenberg, brunelleschi, handcar, cupola, covered bridge, visconti, boardwalk, ironmaster, susquehanna river, lodovico, casimir pulaski, philadelphian, ironworker, grasmere, gristmill, vitruvius, reviewing stand, andrea mantegna, wallenda, pentimento, denti, bleecker, sienese, reichenbach, betti, persico, correggio, louis auchincloss, divel, featherbone, flauto, ingerman, r. buckminster fuller, tarbell, lucchese, rossetti, rahway, driftway, ferrarese, eli whitney, lenape, iron works, aquileia, fiesole, crossway, wanamaker, whitestone, truss bridge, cier, strati, verrocchio, ederle, woolstock, racecar, igor sikorsky, buonarroti, strauss, adler, cobb, cohen, crawford, cunningham, davis, dixon, elliott, evans, fischer, forster, frank, fraser, harrison, hayes, hoffman, howard, jennings, jesuits