Date: | c. 1950 |
Material: | Iron oxide on paper base, metal reel |
Dimensions: | Tape ¼ in. (6.35 mm), reel 7 in. (178 mm) |
Company: | Brush Development Co. |
Location: | Cleveland, Ohio, United States |
For the first commercial tape recorder, the Soundmirror BK 401 from Brush Development Co.
