General Information

Serial #

BM 17750

Part Number

1

Total Parts

12

AKA

N/A

Patents

N/A

General Description

WOOD CASE WITH METAL FITTINGS/ METAL & SYNTHETIC WORKING PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

48.8 cm

Width

21.0 cm

Height

31.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Medical Technology

Category

Medical equipment

Sub-Category

N/A

Manufacturer

AKA

Cambridge

Country

United States of America

State/Province

New York

City

Ossining

Context

Country

Canada

State/Province

Unknown

Period

Unknown

Canada

THIS INSTRUMENT WAS BORROWED FROM THE DEPARTMENT OF NATIONAL DEFENSE BY THE NATIONAL RESEARCH COUNCIL. IT WAS ON NEITHER ORGANIZATION'S INVENTORY WHEN IT BECAME OBSOLETE & MR. SIERHUIS ARRANGED TO TRANSFER IT TO NMST

Function

USED TO PRODUCE ELECTROCARDIOGRAPH RECORD ON PHOTOGRAPHIC FILM

Technical

EXAMPLE OF PORTABLE UNIT OF THE 1930'S. ELECTROCARDIOGRAPH RECORDS THE ELECTRICAL PULSES THAT ORIGINATE IN CELLS WITHIN THE HEART. THESE CELLS INITIATE AN ELECTRIC CURRENT AT THE BEGINNING OF EACH HEARTBEAT, STIMULATING THE HEART MUSCLE TO CONTRACT. THE CURRENT SPREADS THROUGH ALL THE TISSUES OF THE BODY & OUT ONTO THE SURFACE OF THE SKIN. IT CAN BE DETECTED BY ELECTRODES ON THE SKIN WHICH ARE ATTACHED TO THE ELECTROCARDIOGRAPH & IS CHARTED ON A GRAPH OR ELECTROCARDIOGRAM (LEE, PG. 94)

Area Notes

Unknown

Details

Markings

BRASS PLATE ON FRONT READS '"SIMPLI-TROL" PORTABLE MODEL/ CAMBRIDGE ELECTROCARDIOGRAPH/ NO. 0-201302/ MADEFOR/ DEPARTMENT OF NATIONAL DEFENSE/ BY THE/ CAMBRIDGE INSTRUMENT CO. INC.'/ SILVER & BLACK DECAL ON FRONT READS 'SOLD & SERVICED BY/ SABRE INDUSTRIES LIMITED/ 434 KENSINGTON STREET/ ST. JAMES, MANITOBA, CANADA'/ GOLD LETTERING & MARKINGS ON CONTROL PANEL INCLUDING MFR'S NAME & S/N/ INCISED GOLD OR BLACK LETTERING ON PARTS.

Missing

APPEARS COMPLETE

Finish

WOOD STAINED BROWN & LACQUERED/ BLACK SYNTHETIC/ BRASS COLOURED & UNFINISHED METAL/ BLACK ENAMEL & BLACK WRINKLE PAINTED FINISH ON METAL WORKING PARTS.

Decoration

N/A