Cambridge Simpli-Trol EKG ECG Electrocardiograph Vintage Dr E M Bryan Wood Case for Sale

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Cambridge Simpli-Trol EKG ECG Electrocardiograph Vintage Dr E M Bryan Wood Case For Sale

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Cambridge Simpli-Trol EKG ECG Electrocardiograph Vintage Dr E M Bryan Wood Case:
$229.99

Vintage Cambridge Simpli-Trol Electrocardiograph EKG – Dr. E. M. Bryan Provenance

RARE VINTAGE MEDICAL INSTRUMENT WITH HISTORICAL PHYSICIAN PROVENANCE

Offered is an impressive vintage Cambridge Instrument Company "Simpli-Trol" portable electrocardiograph, dating approximately to the 1940s–1950s, housed in its original-style wooden carrying case.

What makes this example particularly interesting is its original factory identification plaque, specifically engraved for Dr. E. M. Bryan, a physician whose medical career is documented in historical institutional records.

Historical Provenance – Dr. E. M. Bryan

The original metal identification plaque prominently reads:

"SIMPLI-TROL" PORTABLE MODEL
CAMBRIDGE ELECTROCARDIOGRAPH
NO. 0-182843
MADE FOR
E. M. BRYAN, M.D.
BY THE
CAMBRIDGE INSTRUMENT CO., INC.

Historical records identify Dr. E. M. Bryan as a former assistant superintendent of a state tuberculosis sanatorium.

An official historical institutional report records that Dr. Bryan left his position in February 1931 to establish a private medical practice in Bismarck, Missouri.

This connection places the instrument within the history of American medicine, tuberculosis treatment, and the development of portable cardiac diagnostic equipment.

Unlike an anonymous vintage medical device, this example retains its original personalized manufacturer's plaque identifying the physician for whom it was made.

The plaque and historical records provide an identifiable physician association; a complete chain of ownership or documentation of the instrument's clinical use is not available.

Historical Significance

The Cambridge Simpli-Trol was an early portable electrocardiograph designed during an important period in the evolution of cardiac diagnostic technology.

Comparable Cambridge Simpli-Trol instruments are preserved in the Smithsonian National Museum of American History and the Wood Library-Museum of Anesthesiology.

The Smithsonian collection even includes another Simpli-Trol with a personalized identification plaque made for a named physician.

These instruments illustrate the evolution of electrocardiography from large, stationary equipment toward increasingly portable diagnostic technology.

Instrument Details

Manufacturer: Cambridge Instrument Co., Inc., Ossining, New York
Model: Simpli-Trol Portable Electrocardiograph
Type: Vintage EKG / ECG cardiac diagnostic instrument
Serial Number: 0-182843
Original Physician: E. M. Bryan, M.D.
Approximate Era: 1940s–1950s
Wooden carrying cabinet with hinged lid
Black-and-gold instrument control panel
Brass-tone adjustment components
Interior mechanical and optical carrying handle and metal hardware
Vintage accessories and miscellaneous contents as exterior dimensions:
19" wide x 8" deep x 11" high.
Condition
This is an unrestored vintage medical instrument offered in pre-owned condition.
The wooden cabinet displays age-appropriate scratches, scuffs, finish wear, and handling marks. The carrying handle exhibits visible paint loss.
The interior contains original-era instrument assemblies and components that appear visually well preserved for their age.
The instrument has not been electrically or functionally tested. Operational condition is unknown, and completeness has not been verified.
Please carefully review all photographs for the exact condition, contents, and configuration.
**Sold as an untested historical collectible, for display, restoration, or parts***

Cambridge Simpli-Trol EKG ECG Electrocardiograph Vintage Dr E M Bryan Wood Case
$229.99

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