Constance Talbot's revolutionary spectronic affinity glass allows the subject to glimpse a semblance of their past or future countenance through her patent 'Steam lens'. (Featuring a small magnifying lens). Weight & Dimensions (approx.): H: 25.5cm (10.04 inches) W: 3cm (1.18 inches) D: 15.5cm (6.1 inch). This official high quality product was designed by Alchemy Carta in Sheffield, England, producing amazing items since 1977.