A Cardi-all brand electrocardiograph machine, housed in a wooden boxed with a handle to transport. Sold by the Professional Equipment Company of New Haven, Hartford, and Stamford.
External controls and internal transducer of a diaphragm pacemaker. Largest of the three parts is a plastic box, 22.3 x 10.2 x h5.4cm plus control knobs protruding out of the upper face, and a power switch at the back. The underside is transparent [perspex], showing the transducer coil and folded yellow paper with notes packed inside. The second part is a transparent rubber block, 9.7 x 5.7 x 2cm, containing batteries and transducer for location inside the body. Nerve stimulation electrodes run on leads out of one end. The electrodes extend 32 cm from the main block. The third part is a transparent [perspex] box, 8.4 x 4.2 x 7.8 cm, with controls inset into the top, including knobs for pulse frequency and [amplitude] with hand-written dials. Two 30V batteries (model VS085, RCA, made by Harrison, NJ 07029) can be seen in the bottom of the unit. This device has been used. Implantable pacemaker and leads, external electrical apparatus. Includes reprint from Glenn, Liebow, and Lindskog.
Subject (Name):
Bernard Kosto, M.D. and Yale University. School of Medicine.
