Timer
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Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
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Ingenium,
1975.0042.002
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- OBJECT TYPE
- hand held
- DATE
- 1950–1960
- ARTIFACT NUMBER
- 1975.0042.002
- MANUFACTURER
- PROFESSIONAL EQUIPMENT CO.
- MODEL
- Unknown
- LOCATION
- Chicago, Illinois, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 2
- Total Parts
- 9
- AKA
- exposure timer
- Patents
- N/A
- General Description
- Metal, glass & synthetic components.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 80.0 cm
- Width
- 65.0 cm
- Height
- 80.8 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
- "61035" incised in back of bracket (to hang unit on x-ray machine, when not in use.) Timer scale on unit front graduated 0-12; [symbol- underlined W, within circle) marked at top of scale; also marked "PATENTS NO. 1,547,442- 1,677,106- 1,677,107"./ 3-prong plug marked "HUBBELL/ GROUNDING/ 10A 250V/ 15A 125V".
- Missing
- N/A
- Finish
- Unknown
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
PROFESSIONAL EQUIPMENT CO., Timer, circa 1950–1960, Artifact no. 1975.0042, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/1975.0042.002/
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