X-ray machine
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1975.0042.001
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- OBJECT TYPE
- VERTICAL
- DATE
- 1950–1960
- ARTIFACT NUMBER
- 1975.0042.001
- MANUFACTURER
- PROFESSIONAL EQUIPMENT CO.
- MODEL
- PROFEXRAY
- LOCATION
- Chicago, Illinois, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 9
- AKA
- N/A
- Patents
- N/A
- General Description
- Metal, wood, glass & synthetic components.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 127.0 cm
- Width
- 95.0 cm
- Height
- 204.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Medical Technology
- Category
- Radiology
- Sub-Category
- N/A
Manufacturer
- AKA
- PROFESSIONAL
- Country
- United States of America
- State/Province
- Illinois
- City
- Chicago
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- This type of x-ray unit probably used c. 1950s- 1960s, and possibly later.
- Canada
-
Used in Ottawa, specifically at 136 Lewis St., by Dr. Powers. - Function
-
Used to provide graphic images of internal structures. - Technical
-
Example of an exclusively vertical X-ray machine used in doctors' offices. Variable-pulsed, phototimed fluoroscopy. By using the strobe like effect ofavariable light source, each exposure is optimized. The little photomuttiplier pictured be?low monitors the image for a built-in reference computer. The computer automatically corrects KV in the system to assure uniform in-put to the camera. MTF improves because brilliant light pulses yield more information than the same amount of light from a steady source. And the result is something no other fluoroscopic camera can give you: an absolute maximum in brightness and contrast, with the absolute minimum dosage. - Area Notes
-
Unknown
Details
- Markings
- Plate on centre front of unit reads " PROFEXRAY/ Manufactured by/ PROFESSIONAL EQUIPMENT CO., CHICAGO, U.S.A. ". "PROFEXRAY" printed on plate on master meter housing: voltmeter (on left) marked "SIMPSON ELECTRIC CO. CHICAGO, ILL. U.S.A./ ALTERNATING CURRENT/ [scale]/ VOLTS/ PROFESSIONAL EQUIPMENT CO./ CHICAGO, U.S.A."; ampmeter (on right) marked "PAT. NO. 2,051,399 SIMPSON ELECTRIC CO. CHICAGO, ILL. U.S.A./ DIRECT CURRENT/ [scale]/ MILLIAMPERES/ PROFESSIONAL EQUIPMENT CO./ CHICAGO, U.S.A. "/ Plate on master casing reads "WARNING/ THIS X-RAY EQUIPMENT IS DANGEROUS TO BOTH PATIENT/ AND OPERATOR UNLESS ESTABLISHED SAFE EXPOSURE FACTORS/ ARE OBSERVED. SOLD TO BE USED ONLY BY OR UNDER THE / DIRECTION OF A QUALIFIED PRACTITIONER. THIS INSTRUMENT/ IS NOT CALIBRATED FOR ROENTGEN RAY THERAPY, AND IS/ INTENDED ONLY FOR DIAGNOSTIC PURPOSES./ MANUFACTURED BY PROFESSIONAL EQUIPMENT COMPANY/ CHICAGO, ILLINOIS." / "PROFEXRAY" printed on plate on motor housing; "PROFESSIONAL EQUIPMENT COMPANY MADE IN CHICAGO, U.S.A." printed on angle adjustment scales on top & bottom panels [scales graduated 0-90-0-90-0].
- Missing
- Unknonw
- Finish
- Predominantly black; brown wooden panel.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
PROFESSIONAL EQUIPMENT CO., X-ray machine, circa 1950–1960, Artifact no. 1975.0042, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1975.0042.001/
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