Difference between revisions of "Revolving Screen"
Jump to navigation
Jump to search
m (1 revision) |
|||
| Line 4: | Line 4: | ||
An opaque screen, usually of cylindrical form with apertures revolving about a vertical axis in such a way as to interrupt the light from a luminous source in an optic, and so to produce a desired rhythmic light. | An opaque screen, usually of cylindrical form with apertures revolving about a vertical axis in such a way as to interrupt the light from a luminous source in an optic, and so to produce a desired rhythmic light. | ||
[[Image:Ch2_Fig37.jpg|400px]] | [[Image:Ch2_Fig37.jpg|400px|border]] | ||
{{IALAFooter}} | {{IALAFooter}} | ||
Latest revision as of 10:01, 1 March 2009
2-4-120
An opaque screen, usually of cylindrical form with apertures revolving about a vertical axis in such a way as to interrupt the light from a luminous source in an optic, and so to produce a desired rhythmic light.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
