Epigraph: 'To most mechanics a gear is a gear and, in fact, the gear is often a gear and nothing more, sometimes barely that." GEORGE B. GRANT (A Treatise on Gear Wheels; Philadelphia, 1899)
'... she would carve on the tree Rose is a Rose is a Rose is a Rose is a Rose until it went all the way round.' GERTRUDE STEIN (The World Is Round; London, 1939)