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autotransformer

https://mhc.andornot.com/en/permalink/artifact477
Dates
1920
circa 1920
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004061
Description
Autotransformer which consists of a square metal base built up of flat pieces of steel laminated together and held up by large screws; in the middle of the frame is a cloth strip-covered roll (of copper?); the cloth is coated with black paint; coming out from the central roll are 20 high current le…
  1 image  
Accession Number
995004061
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
Description
Autotransformer which consists of a square metal base built up of flat pieces of steel laminated
together and held up by large screws; in the middle of the frame is a cloth strip-covered roll
(of copper?); the cloth is coated with black paint; coming out from the central roll are 20
high current leads -- cloth-covered wires; some of these have heavy paper tags which read
5, 250, 65, 210 (attached) and 140, 10, 30, and 165 (unattached)
Number Of Parts
1
Maker
The Kelley-Koett Mfg. Co., Inc.
Site Made (City)
Covington
Site Made (State)
Kentucky
Site Made (Country)
United States of America
Dates
1920
circa 1920
Date Remarks
1920's
Material
metal: grey; silver
fabric: black
Inscriptions
Label on the side reads, "Auto Transformer Type 200G Volt 250 Cycles 60 KVA 8 Serial 868
The Kelley-Koett Mfg. Co., Inc. Keleket Building -- Covington, KY. U.S.A."
Permanent Location
Storage Room 0007
0007-F2-2
Dimension Notes
Length: 56.0 cm. x Width: 21.2 cm. x Depth: 21.0 cm.
Condition Remarks
Autotransformer was very dirty and dusty; there is some minor corrosion of the steel; some
of the cloth stripping has been torn; the cloth on some of the wires has holes; one wire has
come off and one is missing; four of the paper tags have come off
Copy Type
Original
Reference Types
Person
JPG
Reference Comments
Nancy Chisholm; Bernie Ziomkiewicz; CD #2
Research Facts
The wires coming out of the transformer are high current leads
Images
Less detail
Dates
1925
circa 1925
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004056
Description
Choke used for smoothing a filament coil which consists of a round central section which has copper wire wrapped around its outside with cloth stripping on top; the centre of the central section is hollow and has a cylindrical metal rod in it; this rod can be raised and lowered by turning a round h…
  1 image  
Accession Number
995004056
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
Description
Choke used for smoothing a filament coil which consists of a round central section which has
copper wire wrapped around its outside with cloth stripping on top; the centre of the central
section is hollow and has a cylindrical metal rod in it; this rod can be raised and lowered
by turning a round handle which sticks out from the top; there are two wires leading out from
the bottom and one from the top
Number Of Parts
1
Maker
Keleket (Kelley-Koett) Corporation
Site Made (City)
Covington
Site Made (State)
Kentucky
Site Made (Country)
United States of America
Dates
1925
circa 1925
Material
metal: grey; brown
fabric: beige
plastic: brown
Inscriptions
The company name of "Keleket-Covington, Ky U.S.A." appears in raised letters on the outside
edge of the central section
Permanent Location
Storage Room 0010
0010-F3-1
Dimension Notes
Length: 18.0 cm. x Width: 9.0 cm. x Depth: 12.0 cm.
Condition Remarks
Choke was dusty and dirty; the cloth strip wound around the central section is stained and
worn in two spots
Copy Type
Original
Reference Types
Person
Book
JPG
Reference Comments
Bernie Ziomkiewicz; Nancy Chisholm; "The Trail of the Invisible Light", by E.R.N. Grigg MD; CD #4
Research Facts
Choke used for smoothing a filament coil
Images
Less detail

Coolidge transformer

https://mhc.andornot.com/en/permalink/artifact429
Dates
1890
circa 1890
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
Accession Number
995004013
Description
Coolidge transformer which consists of a metal base with 28 screw holes, indicating it was attached to something at some point; the middle of the base has a hole cut out of it which measures 8 cm in diameter and is surrounded with cork; onto the base is attached two vertical bars with a cloth-cover…
  1 image  
Accession Number
995004013
Collection
Queen's University School of X-Ray Collection
Category
Diagnostic & Treatment Artifacts
Classification
Diagnostic Radiology
MeSH Heading
Radiography -- instrumentation
Radiotherapy
Description
Coolidge transformer which consists of a metal base with 28 screw holes, indicating it was
attached to something at some point; the middle of the base has a hole cut out of it which
measures 8 cm in diameter and is surrounded with cork; onto the base is attached two vertical
bars with a cloth-covered vertical bar at the top and another halfway down; the second vertical
bar has a metal cylinder on it with a cloth-covered attachment in the centre; there
are wires leading out of this attachment
Number Of Parts
1
Maker
The Kelley Koett Mfg. Co. Inc.
Site Made (City)
Covington
Site Made (State)
Kentucky
Site Made (Country)
United States of America
Dates
1890
circa 1890
Date Remarks
1890-1900
Material
metal: dark grey
fabric: brown
paint: black
cork: beige
Inscriptions
Manufacturer's label on bottom reads, "Coolidge Transformer Volts 120 Cycles 60 Type J The
Kelley Koett Mfg. Co. Inc."
Permanent Location
Storage Room 0007
0007-F2-2
Dimension Notes
Length: 27.0 cm. x Width: 21.0 cm. x Depth: 24.0 cm.
Condition Remarks
Transformer was very dirty and dusty; the cloth tape is worn in several spots; the paint on
the base is chipped in several spots; the electric wires are cracked in 5 places
Copy Type
Original
Reference Types
Person
Book
JPG
Reference Comments
Nancy Chisholm; "The Trail of the Invisible Light" by E.R.N. Grigg, M.D.; Bernie Ziomkiewicz; CD #4
Research Facts
Power unit for a filament
Images
Less detail