M-2900-2999

(2 Part 12 - 13 inches wide)
M-2902
Manufacturer or Marking
VICTOR (USA)
M-2902
Size: 304mm X 190mm X 203mm (12 x 7 ½ x 8)
Example in Photo: VICTOR
Photo Credit: Shaun Kotlarsky
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M-2910A
Manufacturer or Marking
PINCO (USA)
M-2910A
Size: 304mm X 254mm X 114mm X 215mm (12 x 10 x 4 ½ x 8 ½)
Example in Photo: PINCO (USA)
Photo Credit: Charles Robinson
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M-2922
Manufacturer or Marking
Westinghouse (USA)
M-2922
Size: 304mm X 254mm X 177mm X 228mm (12 x 10 x 7 x 9)
Example in Photo: Westinghouse (USA)
Photo Credit: Charles Robinson
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M-2923
Manufacturer or Marking
Porcelain Products (USA)
Westinghouse (USA)
M-2923
Size: 304mm X 241mm X 101mm X 228mm (12 x 9 ½ x 4 x 9)
Example in Photo: Porcelain Products (USA)
Photo Credit: Charles Robinson
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M-2923A
Manufacturer or Marking
No Name (Westinghouse) (USA)
Westinghouse (USA)
M-2923A
Size: 304mm X 241mm X 127mm X 228mm (12 x 9 ½ x 5 x 9)
Example in Photo: No Name (Westinghouse) (USA)
Photo Credit: Mid Norris
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M-2926
Manufacturer or Marking
THOMAS (USA)
M-2926
Size: 304mm X 241mm X 152mm X 228mm (12 x 9.5 x 6 x 9)
Example in Photo: THOMAS (USA)
Photo Credit: Jeff Markwart
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M-2926A
Manufacturer or Marking
No Name (O-B) (USA)
M-2926A
Size: 304mm X 215mm X 127mm X 228mm (12 x 8 ½ x 5 x 9)
Example in Photo: No Name (O-B) (USA)
Photo Credit: Charles Robinson
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M-2927A
Manufacturer or Marking
NO NAME (LOCKE) (USA)
LOCKE (USA)
M-2927A
Size: 304mm X 241mm X 127mm X 228mm (12 x 9 ½ x 5 x 9)
Example in Photo: LOCKE (USA)
Photo Credit: Charles Robinson
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M-2942
Manufacturer or Marking
LAPP (USA)
M-2942
Size: 304mm X 177mm X 254mm (12 x 7 x 10)
Example in Photo: LAPP (USA)
Photo Credit: Charles Robinson
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M-2998
Manufacturer or Marking
Fred Locke (USA)
M-2928
Size: 355mm X 177mm X 292mm (14 x 7 x 11 ½)
Example in Photo: Fred Locke
Photo Credit: Mike Spadafora
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M-2998A
Manufacturer or Marking
Fred Locke (USA)

NOTE: This rather unique insulator uses the top skirt mold set of an early M-3725 glazewelded to an M-2998 collar skirt creating a unique rare variant of the very scarce Fred Locke M-2998
~ Mike Spadafora
M-2928A
Size: 355mm X 177mm X 292mm (14 x 7 x 11 ½)
Example in Photo: Fred Locke
Photo Credit: Mike Spadafora
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