Difference between revisions of "Shutter"
Jump to navigation
Jump to search
m (1 revision) |
m (1 revision) |
(One intermediate revision by the same user not shown) | |
(No difference)
|
Latest revision as of 10:01, 1 March 2009
2-4-115
A device comprising opaque strips, usually mounted so that each may be rotated through about 90 degrees on an axis.
All strips rotate simultaneously so as alternately to exhibit or obscure a light.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)