Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
The indicator is adjusted without any weight being applied by the recording attachment. A mechanically-actuated, gravity-type device presses it at regular intervals against an ink ribbon. A line of close dots is produced on the recording tape, which es evenly advanced under the ink ribbon. These dots make up a curve.