The removal of all the tape from a roll of duct tape is recorded onto electromagnetic tape (cassette tape). The rate at which the duct tape is removed equals the rpm of the cassette spindles (1.875"/second).

The removal of all the tape from a roll of masking tape is recorded onto electromagnetic tape (cassette tape). The rate at which the masking tape is removed equals the rpm of the cassette spindles (1.875"/second).

The removal of all the tape from a roll of scotch tape is recorded onto electromagnetic tape (cassette tape). The rate at which the scotch tape is removed equals the rpm of the cassette spindles (1.875"/second).