"Theracoupler type TF 458B", short-wave (10MHz) diathermy apparatus, reference prototype, with patient's cable assembly type TM 4005, mains lead, and instructions, by Marconi Instruments, 1950, England "Theracoupler type TF 458B", short-wave (10MHz) diathermy apparatus 1950
Short-wave diathermy apparatus, portable, with accessories, by Stanley Cox Ltd., London, 1950-1955 Short-wave diathermy apparatus 1950-1955
