Fact · Dictation
15minutes per belt
Dictaphone introduced the plastic Dictabelt to the public in 1947, and each belt held about 15 minutes of recording.
Checked against its source on October 16, 2026
In the source's own words
“In 1947, the company publicly introduced the new technology with its Time-Master series. Each Dictabelt held about 15 minutes of recording.”
How the Dictaphone Entered Office Life, Allison Marsh, IEEE Spectrum, 2026, Main text.
Open the original- What it measures
- The Dictabelt replaced wax cylinders, which Dictaphone had used until the end of World War II.
- What it does not show
- Secondary historical account.