kalloscopeDisused.|ˈkæləʊskəʊp| [Irreg. f.Gr. κάλλος beauty + -scope.] A type of stereoscope. 1901Daily Chron. 10 Aug. 5/6 The suppression of what are known as kallascopes [sic], stereoscopes and similar machines.1902Ibid. 3 May 4/5 The ‘Automatic Kalloscope’..which attracted the attention of the police.