scioptic ball
scioptic ball · scioptic balls
A universal joint allowing an optical instrument mounted on a ball to be swiveled to…A universal joint allowing an optical instrument mounted on a ball to be swiveled to point anywhere in a wide arc
Meaning
1 senses(historical)A universal joint allowing an optical instrument mounted on a ball to be swiveled to point anywhere in a wide arc
Forms
plural: scioptic balls| Singular | scioptic ball |
|---|---|
| Plural | scioptic balls |
regular