WHM Fluttermeter III
- Made:
- circa 1970
WHM Fluttermeter III, used for measuring speed variation in all types of sound recording / reproducing equipment, serial no. 2212, with illustrations and specifications, c. 1970
WHM Fluttermeter III, used for measuring speed variation in all types of sound recording / reproducing equipment, serial no. 2212, with illustrations and specifications, c. 1970