Photo is from a sales brochure courtesy of James Sullivan, BA, RPFT, Supervisor, Pulmonary Laboratories, Memorial Sloan Kettering Cancer Center.

“The instrument proper is separate from the CRT for monitoring waveforms. Test results are displayed on an LED (light-emitting diode) display of the instrument, while the respiratory waveforms are displayed on the screen of a 9-inch CRT. Records are printed by an electrosensitive printer.”

“