39,717
edits
No edit summary |
No edit summary |
||
Line 16: | Line 16: | ||
The earliest implementation was the [[ROTAN]] system from 1958 that used a magnetic drum rotational encoder coupled to the engine. ''Whast was the commercial status of ROTAN?'' | The earliest implementation was the [[ROTAN]] system from 1958 that used a magnetic drum rotational encoder coupled to the engine. ''Whast was the commercial status of ROTAN?'' | ||
In the early 1960s, the [[183|183 Rotational Analyzer]] with its [[182]] transducer were available. | In the early 1960s, the [[183|183 Rotational Analyzer]] with its [[182]] transducer were available. |