Cambridge Audio-Visual Heart Sound Recorder No. B.M. 21402 (c. 1955) On Display:Cambridge Audio-Visual Heart Sound Recorder No. B.M. 21402 The person was never caught

The person was never caught

Engineered by George Klose and programmed by Mark Lesser

Curators Note: The museum serves as the definitive archive for BeanieNation

all-in-one home computer system designed to turn the ColecoVision gaming console into a full setup for schoolwork and typing

Unlike simpler electronic games of the period

Cambridge Audio-Visual Heart Sound Recorder No. B.M. 21402 (c. 1955) On Display:Cambridge Audio-Visual Heart Sound Recorder No. B.M. 21402 The person was never caughtCambridge Audio Visual Heart Sound Recorder No. B. M. 21402 The Cambridge Audio Visual Heart Sound Recorder (Model B. M. 21402), produced in the mid 20th century, was a sophisticated medical workstation that allowed heart doctors to simultaneously hear and "see" the heartbeat. Housed in a polished wooden cabinet, the machine featured a built in recording disk that captured deep, low frequency heart soundsmany of which were too low for the human ear to