Prototype of a digital heart rhythm monitor developed by Dr. L. Julian Haywood

Source catalog description

This description refers to material held by Smithsonian National Museum of African American History and Culture. Visual details below describe the original material.

This is a prototype display console of a heart rhythm monitor, used in conjunction with a Control Data computer running software. The console is in the shape of a right trapezoid. The front panel is laminated wood comprised of metal and plastic buttons, switches, and dials. The top right is made of four switches with a black toggles in the center. Beneath the switches are columns labeled [CH1], [CH2], [CH3], and [CH4]. On the left of the columns are two black push buttons labeled [START] and [STOP]. In the columns are green, orange, red, and clear lights, black plastic and metal push buttons. The lights are labeled on the right, green: [MONITOR], orange: [EVENT], red: [ALARM], clear: [SELECTED], and black buttons: [SELECT]. This area is encompassed by a black line and three vertical black lines. To the right, are three black metal and plastic push buttons that read, [CLEAR], [DISPLAY], and [PLOT ON/OFF].

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