kalloscopen.
/ˈkaləʊskəʊp/ Disused.
A type of stereoscope n.
ΘΚΠ
the world > physical sensation > sight and vision > optical instruments > instruments for observing > [noun] > stereoscope
stereoscope1838
phantascope1849
lenticular stereoscope1852
stereomonoscope1858
telestereoscope1858
stereophantasmascope1865
stereo1876
stereophantascope1890
tropostereoscope1900
kalloscope1901
rotoscope1907
1901 Daily Chron. 10 Aug. 5/6 The suppression of what are known as kallascopes [sic], stereoscopes and similar machines.
1902 Daily Chron. 3 May 4/5 The ‘Automatic Kalloscope’..which attracted the attention of the police.
This entry has not yet been fully updated (first published 1976; most recently modified version published online June 2018).
<
n.1901