Assertion: kaleidoscope's mirror | /r/HasProperty | enclosed in tube
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The reflectors (or mirrors) are usually enclosed in a tube, often containing on one end a cell with loose, colored pieces of glass or
text: The mirrors are enclosed in a tube with a viewing eyehole at one end.
text: The reflectors (or mirrors) are usually enclosed in a tube, often containing on one end a cell with loose, colored pieces of glass or
text: The mirrors are enclosed in a tube with a viewing eyehole at one end.