General Information

Serial #

211U5J

Part Number

1

Total Parts

11

AKA

N/A

Patents

N/A

General Description

METAL, SYNTHETIC AND GLASS COMPONENTS.

Dimensions

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

Length

86.5 cm

Width

78.0 cm

Height

116.0 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

Grass

Country

United States of America

State/Province

Massachusetts

City

Quincy

Context

Country

Canada

State/Province

Ontario

Period

THIS INSTRUMENT PRESUMABLY USED C. 1970S+.

Canada

PART OF A COLLECTION OF EQ. ACQUIRED BY THE MUSEUM OF MENTAL HEALTH SERVICES FROM APPARATUS DISCARDED BY THE CENTRE FOR ADDICTION AND MENTAL HEALTH (CAMH) ANDRELATED FACILITIES (IE. CLARKE INSTITUTE OF PSYCHIATRY) IN TORONTO. CAMH FOUNDED IN 1860S AS PROVINCIAL ASYLUM OF TORONTO. (REF. 1)

Function

USED TO MEASURE ELECTRICAL ACTIVITY IN THE BRAIN, AND PRODUCE GRAPHIC RECORD OF THIS ACTIVITY.

Technical

DURING PERIOD 1970-1994 GRASS DEVELOPED CLINICAL AND RESEARCH EEGS WITH GREATER NUMBERS OF CHANNELS AND THE CAPACITY TO INTERFACE WITH DATA PROCESSING INSTRUMENTS. GRASS MODELS 8 AND 9 CAPIABLE OF PERFORMING DUAL EEG AND POLYSOMNOGRAPH (PSG) FUNCTIONS. (S.I.)

Area Notes

Unknown

Details

Markings

.1 "GRASS ELECTROENCEPHALOGRAPH MODEL 8-16/ SEE/ PATENT/ NOTICE/ GRASS/ INSTRUMENT/ CO./ QUINCY, MASS., U.S.A./ 300 WATTS MAX./ 100 WATTS NOM./ 3.0A/ 115 VOLTS MODEL 8-16B/ 60 Hz SERIAL 211U5J" marked on top front edge. All controls, settings, etc. labelled. Panel of left front side reads "-DANGER-/ EXPLOSION HAZARD/ DO NOT USE/ IN THE PRESENCE OF/ FLAMMABLE ANESTHETICS/ -CAUTION-/ WHEN THIS INSTRUMENT IS CONNECTED/ DIRECTLY TO AN INDWELLING OR/ IMPLANTED ELECTRICALLY CONDUCTIVE/ DEVICE TERMINATING IN OR ON A/ PATIENT'S HEART, THE GRASS BIO-/ POTENTIAL ISOLATOR MODEL BPI MUST/ BE CONNECTED TO THE PATIENT LEADS...." cont'd in Supp. Info.

Missing

Several screws missing from main unit (.001). No major missing components.

Finish

.1 CASING PREDOMINANTLY BRUSHED SILVER METAL; TURQUOISE ENAMEL COLOUR ACCENTS. COLOUR CODED PANEL ON FRONT LEFT.

Decoration

N/A