Renseignements généraux

Nº de série

S/O

Nº de partie

1

Nombre total de parties

4

Ou

S/O

Brevets

S/O

Description générale

.1 METAL; GLASS MIRRORS, LAMP BULBS; PAPER SHADES & WOOD ROLLERS; SYNTHETIC PARTS/.2 METAL WITH MIRROR GLASS/.3 METAL/.3 SYNTHETIC GOGGLES WITH SYNTHETIC STRAP, METAL PARTS

Dimensions

Remarque : Cette information reflète la taille générale pour l’entreposage et ne représente pas nécessairement les véritables dimensions de l’objet.

Longueur

172,0 cm

Largeur

50,0 cm

Hauteur

162,0 cm

Épaisseur

S/O

Poids

S/O

Diamètre

S/O

Volume

S/O

Lexique

Groupe

Technologie médicale

Catégorie

Radiologie

Sous-catégorie

S/O

Fabricant

Ou

General Electric

Pays

United States of America

État/province

Illinois

Ville

Chicago

Contexte

Pays

Canada

État/province

Québec

Période

USED FROM LATE 1940S TO 1980S

Canada

SECOND GENERATION OF X-RAY STEREOSCOPE USED AT MONTREAL NEUROLOGICAL HOSPITAL, USED BY DR. ETIENNE, CHIEF OF SURGERY AT MNH, AS DIAGNOSTIC DEVICE & TO TRAIN MEDICALSTUDENTS. TWO SETS OF MIRRORS ENABLED DOCTOR TO DESCRIBE TO STUDENTS EXACTLY WHERE IN PATENT'S BODY TO LOOK & WHAT TO LOOK FOR TO IDENTIFY MEDICAL PROBLEMS.

Fonction

MEDICAL DIAGNOSTIC APPARATUS WHICH TOOK TWO X-RAYS AT RIGHT ANGLES TO DETERMINE PRECISELY WHERE LESION, TUMOUR ETC. WAS IN PATIENT.

Technique

BEFORE CAT SCANS, SURGEONS HAD DIFFICULTLY DETERMINING POSITION OF LESIONS & TUMOURS FROM SINGLE X-RAY IMAGE. X-RAY STEREOSCOPE TOOK TWO X-RAYS TAKEN AT RIGHT ANGLES TO DETERMINE MORE PRECISELY WHERE THE PROBLEM WAS LOCATED PHYSICALLY WITHIN THE PATIENT, ESPECIALLY IMPORTANT FOR CRANIAL & BRAIN SURGERY. CONCEPT OF STEREO IMAGING USING MIRRORS WAS DEVELOPED BY CHARLES WHEATSTONE (REF. 2).

Notes sur la région

Inconnu

Détails

Marques

.1 PLATE ON BACK OF APPARATUS READS "GENERAL ELECTRIC/ X-RAY CORPORATION/ CHICAGO/ MADE IN U.S.A./ 100V"; PLATE ON TOP OF MIRROR UNIT READS "GENERAL ELECTRIC/ X-RAY CORPORATION/ CHICAGO/ MADE IN U.S.A./ MFD. UNDER U.S.PATENT/ 1,649,878"; BLUE & WHITE LABEL READING "MTL NEUROLOGICAL/ INSTITUTE HOSPITAL/ No 13733"; BLACK SCALE WITH SILVER MARKINGS/.2 INSTRUCTION LABEL READS IN PART "GENERAL ELECTRIC/ MADE IN MILWAUKEE, WISCONSIN U.S.A."/.1 PT - PAPER LABEL ON SHADE ROLLER READS IN PART "HARTSHORN SELF-ACTING/ SHADE ROLLER/ TRADE MARK REGISTERED U.S. PATENT OFFICE" WITH INSTRUCTIONS FOR USE & PATENT INFO.

Manque

UNKNOWN A lot of tiny glass fragments are missing from the two broken panels.

Fini

.1 GREY PAINTED STAND & PARTS; PLATED PARTS; MIRROR GLASS; GREY PAINTED LIGHT SHADES WITH WHITE PAINTED INTERIORS; GREY POWER CORDS, BLACK PLUGS; MULTICOLOURED SYNTHETIC WIRING; BLACK PAPER SHADES ON UNFINISHED WOOD ROLLERS/.2 GREY PAINTED/.3 PAINTED BLACK/.4 RED GOGGLES, BLACK STRAP PARTS, BLACK PAINTED METAL

Décoration

.4 RAISED LETTERING ON GOGGLES READS "WILLSON/ MONO/ GOGGLE [SCRIPT]/ MADE IN U.S.A." WITH PATENT NOS.; WHITE LETTERING READING "DISTRIBUTED BY GENERAL [LOGO] ELECTRIC"