U-970-994 (Threadless unipart pintype insulators from the United States)

U-970
Manufacturer or Marking
No Name (USA)

Size: 57mm X 82mm (2 ¼ x 3 ¼)
Example in Photo: No Name (USA)
Photo Credit: eBay Auction

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U-970A
Manufacturer or Marking
No Name (USA)

Size: 69mm X 63mm (2 ¾ x 2 ½)
Example in Photo: No Name (USA)
Photo Credit: Elton Gish

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U-971
Manufacturer or Marking
No Name (Bennington Pottery) (USA)

Size: 76mm X 82mm (3 x 3 ¼)
Example in Photo: No Name (Bennington Pottery) (USA)
Photo Credit: Elton Gish

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U-972
Manufacturer or Marking
No Name (USA)

Size: 79mm X 82mm (3 ⅛ x 3 ¼)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-972A
Manufacturer or Marking
No Name (USA)

Size: 44mm X 50mm (1 ¾ x 2)
Example in Photo: No Name (USA)
Photo Credit: Elton Gish

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U-973
Manufacturer or Marking
No Name (USA)

Size: 66mm X 77mm (2 ⅝ x 3 1/16)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-974
Manufacturer or Marking
No Name (USA)

Size: 79mm X 73mm (3 ⅛ x 2 ⅞)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-975
Manufacturer or Marking
No Name (USA)

Size: 69mm X 69mm (2 ¾ x 2 ¾)
Example in Photo: No Name (USA)
Photo Credit: Jim Colburn

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U-975A
Manufacturer or Marking
No Name (USA)

Size: 98mm X 101mm (3 ⅞ x 4)
Example in Photo: No Name (USA)
Photo Credit: Elton GIsh

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U-976
Manufacturer or Marking
No Name (USA)

Size: 61mm X 58mm (2 7/16 x 2 5/16)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-977
Manufacturer or Marking
No Name (USA)

Size: 79mm X 76mm (3 ⅛ x 3)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-978
Manufacturer or Marking
No Name (USA)

NOTE: This is a threaded insulator.

Size: 73mm X 88mm (2 ⅝ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: Elton Gish

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U-978A
Manufacturer or Marking
No Name (USA)

Size: 79mm X 76mm (3 ⅛ x 3)
Example in Photo: No Name (USA)
Photo Credit: Crag Richardson

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U-979
Manufacturer or Marking
No Name (Elliott Flint) (USA)

Size: 92mm X 101mm (3 ⅝ x 4)
Example in Photo: No Name (Elliott Flint) (USA)
Photo Credit: Elton Gish

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U-980
Manufacturer or Marking
No Name (Elliott Flint) (USA)

Size: 107mm X 127mm (4 ¼ x 5)
Example in Photo: No Name (Elliott Flint) (USA)
Photo Credit: Elton Gish

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U-981
Manufacturer or Marking
No Name (Elliott Flint) (USA)

Size: 101mm X 139mm (4 x 5 ½)
Example in Photo: No Name (Elliott Flint) (USA)
Photo Credit: Elton Gish

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U-982
Manufacturer or Marking
No Name (Bennington Pottery) (USA)

Size: 95mm X 123mm (3 ¾ x 4 ⅞)
Example in Photo: No Name (Bennington Pottery) (USA)
Photo Credit: Elton Gish

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U-983
Manufacturer or Marking
No Name (Bennington Pottery) (USA)

Size: 95mm X 114mm (3 ¾ x 4 ½)
Example in Photo: No Name (Bennington Pottery) (USA)
Photo Credit: Elton Gish

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U-984
Manufacturer or Marking
No Name (USA)

Size: 76mm X 98mm (3 x 3 ⅞)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-985
Manufacturer or Marking
No Name (USA)

Size: 63mm X 101mm (2 ½ x 4)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-985A
Manufacturer or Marking
No Name (USA)

Size: 65mm x 90mm (2 9/16 x 3 3/16)
Example in Photo: No Name (USA)
Photo Credit: Jim Frustieri

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U-986
Manufacturer or Marking
No Name (USA)

Size: 60mm X 123mm (2 ⅜ x 4 ⅞)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-987
Manufacturer or Marking
No Name (USA)

Size: 85mm X 85mm (3 ⅜ x 3 ⅜)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-988
Manufacturer or Marking
No Name (USA)

Size: 63mm X 69mm (2 ½ x 2 ¾)
Example in Photo: No Name (USA)
Photo Credit: Doug MacGillvary

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U-988A
Manufacturer or Marking
No Name (USA)

Size: 57mm X 57mm (2 ¼ x 2 ¼)
Example in Photo: No Name (USA)
Photo Credit: Elton GIsh

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U-989
Manufacturer or Marking
No Name (Southern Porcelain Co.) (USA)

Size: 92mm X 139mm (3 ⅝ x 5 ½)
Example in Photo: No Name (Southern Porcelain Co.) (USA)
Photo Credit: Elton Gish

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U-990
Manufacturer or Marking
No Name (Southern Porcelain Co.) (USA)
X (Southern Porcelain Co.) (USA)
Southern Porc Co. (USA)

Size: 107mm X 104mm (4 ¼ x 4 ⅛)
Example in Photo: No Name (Southern Porcelain Co.) (USA)
Photo Credit: Elton Gish

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