U-277-377

(Side tie styles with extended inner skirts, most are also signal styles)
 
U-278
Manufacturer or Marking
Illinois (USA)
U-278
Size: 79mm X 101mm (3 ⅛ x 4)
Example in Photo: Illinois (USA)
Photo Credit: Clint Gaylord
To directly link to this image copy and paste below URL:
 
U-279
Manufacturer or Marking
 No Name (New Lexington) (USA)

NOTE: Found at the New Lexington site, similar to U-268B with an extended inner skirt
U-279
Size: 76mm X 101mm (3 x 4)
Example in Photo: No Name (New Lexington) (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-280
Manufacturer or Marking
No Name (USA)
Findlay 180 (USA)
Westinghouse (USA)

NOTE: In 2008 and older reference books, there was a U-277 listed. All listings for U-277 are now part of U-280
U-280
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: Westinghouse (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-280A
Manufacturer or Marking
No Name (USA)
No Name (Illinois)

NOTE: In 2008 and older reference books, there was a U-313A listed. Listing are now part of U-280A.
U-280A
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-280B
Manufacturer or Marking
No Name (Square D?, Dry Process) (USA)
U-280B
Size: 79mm X 85mm (3 ⅛ x 3 ⅜)
Example in Photo: No Name (Square D?, Dry Process) (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-281
Manufacturer or Marking
CP (Canada)
No Name (USA)
No Name (Westinghouse 104) (USA)
No Name (Westinghouse) (USA)
Illinois Map (USA)

NOTE: In 2008 and older reference books, there was a U-309A listed. Listing are now part of U-281.

ALSO NOTE: CP (Canada) Units should also have a U-Number in the “Worldwide Porcelain Insulators Chart” range as U-1-999 are US only styles. No “Worldwide Porcelain Insulators” U-Number is yet available for this unit.
U-281
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
Example in Photo: No Name (Westinghouse) (USA)
Photo Credit: Clint Gaylord
To directly link to this image copy and paste below URL:
 
U-282
Manufacturer or Marking
No Name (USA)
No Name (G.P.Co.) (USA)
G.P.Co. (USA)
Locke (USA)
P.P. Inc (USA)
Thomas (USA)

NOTE: In 2008 and older reference books, there was a U-282A Listed. Listings are now part of U-282. The new Listing for U-282A is for what use to be U-282B
U-282
Example in Photo: No Name (USA)
Photo Credit: Shaun Kotlarsky
U-282 Variation
Note: G.P.Co. Variation
Example in Photo: G.P.Co. (USA)
Photo Credit: Elton Gish
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
U-282
U-282
Variations: Click on the thumbnail above to see style variations
Variations: Tap on the thumbnail above to see style variations
To directly link to this image copy and paste below URL:
 
U-282A
Manufacturer or Marking
No Name (USA)
G.P.Co. (USA)

NOTE: in 2008 and older reference books, this was known as U-282B. All listing for U-282A where moved to U-282, Old U-282A was deleted and old U-282B moved in to this spot as U-282A.
U-282A
Size: 82mm X 107mm (3 ¼ x 4 ¼)
Example in Photo: G.P.Co. (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-283
Manufacturer or Marking
CP (Canada)
No Name (USA)
No Name (P.P. Inc.) (USA)
No Name (Westinghouse) (USA)
COOK (USA)
Findlay 182 (USA)
Hartford Faience (USA)
P.P (USA)
Westinghouse (104) (USA)

NOTE: In 2008 and older reference books, There was a U-284, it is now merged with U-283

ALSO NOTE: CP (Canada) Units should also have a U-Number in the “Worldwide Porcelain Insulators Chart” range as U-1-999 are US only styles. No “Worldwide Porcelain Insulators” U-Number is yet available for this unit.
U-283
Example in Photo: Westinghouse (104) (USA)
Photo Credit: Shaun Kotlarsky
U-283 Variation
Note: Findlay 182 Variation
Example in Photo: Findlay 182 (USA)
Photo Credit: Bill Vincent
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
U-283
U-283
Variations: Click on the thumbnail above to see style variations
Variations: Tap on the thumbnail above to see style variations
To directly link to this image copy and paste below URL:
 
U-283A
Manufacturer or Marking
PP (USA)
U-283A
Size: 85mm X 88mm (3 ⅜ x 3 ½)
Example in Photo: PP (USA)
Photo Credit: Bob Berry
To directly link to this image copy and paste below URL:
 
U-285
Manufacturer or Marking
No Name (USA)

NOTE: In 2008 and older reference books, there was a U-285A Listed. Listing are now part of U-285
U-285
Example in Photo: No Name (USA)
Photo Credit: Bill Ostrander
U-285
Note: Variation (Old U-285A)
Example in Photo: No Name (USA)
Photo Credit: Shaun Kotlarsky
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
U-285
U-285
Variations: Click on the thumbnail above to see style variations
Variations: Tap on the thumbnail above to see style variations
To directly link to this image copy and paste below URL:
 
U-286
Manufacturer or Marking
No Name (USA)
ITE (USA)
Knox (USA)
Locke (44) (USA)
Victor Ins. Inc. (USA)
Westinghouse (USA)
U-286
Size: 85mm X 88mm (3 ⅜ x 3 ½)
Example in Photo: Knox (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-286A
Manufacturer or Marking
Line Materials (23507) (USA)
Westinghouse (USA)
U-286A
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: Line Materials (23507) (USA)
Photo Credit: Bill Ostrander
To directly link to this image copy and paste below URL:
 
U-287
Manufacturer or Marking
No Name (USA)
Locke (USA)
Locke (23507 (USA)

NOTE: In 2008 and older reference books, there was a U-287A and U-287B. They are now consolidated under the listing for U-287 and they where just trimming variations.
U-287
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: Locke (USA)
Photo Credit: Bill Ostrander
To directly link to this image copy and paste below URL:
 
U-288
Manufacturer or Marking
No Name (USA)
Pinco (USA)
Westinghouse (USA)
U-288
Size: 85mm X 76mm (3 ⅜ x 3)
Example in Photo: No Name (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-288A
Manufacturer or Marking
P.P. Inc. (USA)
U-288A
Size: 82mm X 76mm (3 ¼ x 3)
Example in Photo: P.P. Inc. (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-289
Manufacturer or Marking
No Name (USA)
COOK (USA)
U-289
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: COOK (USA)
Photo Credit: Fred Collier
To directly link to this image copy and paste below URL:
 
U-290
Manufacturer or Marking
No Name (USA)
U-290
Size: 76mm X 85mm (3 x 3 ⅜)
Example in Photo: No Name (USA)
Photo Credit: Bill Vincent
To directly link to this image copy and paste below URL:
 
U-290A
Manufacturer or Marking
No Name (Macomb? Dry Process) (USA)
U-290A
Size: 79mm X 88mm (3 ⅛ x 3 ½)
Example in Photo: No Name (Macomb? Dry Process) (USA)
Photo Credit: Clint Gaylord
To directly link to this image copy and paste below URL:
 
U-291
Manufacturer or Marking
No Name (USA)
No Name (Pittsburg) (USA)
Chance (USA)
COOK (USA)
Lapp (USA)
Locke (USA)
LOCRE (USA)
O-B (USA)
P.P. Inc. (USA)
THOMAS (USA)
Westinghouse (USA)

NOTE: In 2008 and older reference books, there is a U-291A listed. All Non Findlay or Findlay No Name listings for U-291A are now part of U-291. U-291A is only for Findlay made units as they have a distinct profie.
U-291
Size: 82mm X 85mm (3 ¼ x 3 ⅜)
Example in Photo: No Name (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-291A
Manufacturer or Marking
No Name (Findlay) (USA)
Findlay 180 (USA)
U-291A
Size: 82mm X 79mm (3 ¼ x 3 ⅛)
Example in Photo: Findlay 180 (USA)
Photo Credit: Mid Norris
To directly link to this image copy and paste below URL:
 
U-292
Manufacturer or Marking
Hartford Faience (A105) (USA)
U-292
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: Hartford Faience (A105) (USA)
Photo Credit: Greg Garrison
To directly link to this image copy and paste below URL:
 
U-292A
Manufacturer or Marking
C over I (Cent Mark) (Canada)
No Name (USA)
No Name (Pittsburg) (USA)
Chance (USA)
Illinois Map (237) (USA)
O-B (USA)
P.P. Inc. (USA)
Triangle M (237) (USA)

NOTE: C over I (Cent Mark) (Canada) Units should also have a U-Number in the “Worldwide Porcelain Insulators Chart” range as U-1-999 are US only styles. No “Worldwide Porcelain Insulators” U-Number is yet available for this unit.
U-292A
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: O-B (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-293
Manufacturer or Marking
CP (Canada)
Pinco (USA)
P.P. Inc. (USA)
THOMAS (USA)
Westinghouse (114) (USA)

NOTE: CP (Canada) Units should also have a U-Number in the “Worldwide Porcelain Insulators Chart” range as U-1-999 are US only styles. No “Worldwide Porcelain Insulators” U-Number is yet available for this unit.
U-293
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: O-B (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-293A
Manufacturer or Marking
No Name (USA)
B&O (USA)
PP (USA)

NOTE: In 2008 and older reference books, there was a U-293B Listed. Listing are now part of U-293A.
U-293A
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: B&O (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-294
Manufacturer or Marking
No Name (USA)
IEP (NP6D1) (USA)
Locke (44) (USA)
Victor Ins. Inc. (USA)
U-294
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: Matt Grayson
To directly link to this image copy and paste below URL:
 
U-294A
Manufacturer or Marking
No Name (USA)
No Name (Dry Process) (USA)
No Name (Thomas, Dry Process) (USA)
Hartford Faience (USA)
J-D (USA)
Locke (44) (USA)
S&S (Dry process) (Canada)
THOMAS (Dry Process, Carved Top) (USA)

NOTE: S&S (Dry Process) (Canada) Units should also have a U-Number in the “Worldwide Porcelain Insulators Chart” range as U-1-999 are US only styles. No “Worldwide Porcelain Insulators” U-Number is yet available for this unit.
U-294A
Size: 82mm X 85mm (3 ¼ x 3 ⅜)
Example in Photo: No Name (Dry Process) (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-295
Manufacturer or Marking
No Name (USA)
Cook (USA)
K1 (USA)
U-295
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
 
U-295A
Manufacturer or Marking
No Name (USA)
Illinois Map (USA)
Illinois (USA)
J-D (USA)
LAPP (USA)
LOCKE (USA)
Pinco (USA)
P.P. Inc.
U-295A
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: Lapp (USA)
Photo Credit: Mid Norris
To directly link to this image copy and paste below URL:
 
U-295B
Manufacturer or Marking
G.P.Co. (USA)
No Name (G.P.Co.) (USA)

NOTE: In 2008 and older reference books, there was a U-295C Listed. Listing are now moved to U-295B.
U-295B
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: G.P.Co. (USA)
Photo Credit: Matt Grayson
To directly link to this image copy and paste below URL:
 
U-296
Manufacturer or Marking
Chance (USA)
THOMAS (USA)
U-296
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: THOMAS (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-297
Manufacturer or Marking
No Name (USA)
Cook (USA)
GK (USA)
Hardford Faience (USA)
Illinois (USA)
ITE (USA)
Locke (44) (USA)
O-B (USA)
Pinco (USA)
P.P. Inc. (USA)
THOMAS (USA)
Triangle M (USA)
Victor (USA)
Westinghouse (USA)
U-297
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
Example in Photo: Locke (44) (USA)
Photo Credit: Clint Gaylord
To directly link to this image copy and paste below URL:
 
U-297A
Manufacturer or Marking
No Name (USA)
Illinois (USA)
Locke (USA)
THOMAS (USA)
U-297A
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
Example in Photo: No Name (USA)
Photo Credit: Clint Gayloard
To directly link to this image copy and paste below URL:
 
U-298
Manufacturer or Marking
No Name (USA)
No Name (Pinco) (USA)
Illinois (USA)
Lapp (USA)
Pinco (USA)
Triangle M (USA)
U-298
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
Example in Photo: No Name (USA)
Photo Credit: Ben Kirsten
To directly link to this image copy and paste below URL:
 
U-299
Manufacturer or Marking
No Name (USA)
No Name (Lapp) (USA)
Illinois (USA)
Illinois Map (237) (USA)
Lapp (USA)
P.P. Inc. (USA)
Triangle M (237) (USA)
Westinghouse (USA)

NOTE: In 2008 and older reference books, there was a U-299A listed. Listing are now part of U-299.
U-299
Example in Photo: No Name (USA)
Photo Credit: Elton Gish
U-299
Note: Training Variation (Old U-299A)
Example in Photo: No Name (USA)
Photo Credit: Bob Berry
Size: 79mm X 95mm (3 ⅛ x 3 ¾)
U-299
U-299
Variations: Click on the thumbnail above to see style variations
Variations: Tap on the thumbnail above to see style variations
To directly link to this image copy and paste below URL:
 
U-300
Manufacturer or Marking
No Name (USA)
NP (Canada)
Chance (USA)
G.P. Co. (USA)
Illinois Map (USA)
Illinois (USA)
Pinco (USA)
Westinghouse (USA)’

NOTE: NP (Canada) (Canada) Units should also have a U-Number in the “Worldwide Porcelain Insulators Chart” range as U-1-999 are US only styles. No “Worldwide Porcelain Insulators” U-Number is yet available for this unit.
U-300
Size: 82mm X 95mm (3 ¼ x 3 ¾)
Example in Photo: Illinois Map (USA)
Photo Credit: Bill Ostrander
To directly link to this image copy and paste below URL:
 
U-301
Manufacturer or Marking
No Name (USA)
No Name (O-B) (USA)
No Name (Pittsburg) (USA)
No Name (Findlay) (USA)
Illinois (237) (USA)
KNOX (USA)
Pinco (620) (USA)
Triangle M (USA)

NOTE: In 2008 and older reference books there is a listing for U-281A. It is now merged with U-301 as they are the same insulator.
U-301
Size: 95mm X 92mm (3 ¾ x 3 ⅝)
Example in Photo: No Name (OB) (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-303
Manufacturer or Marking
No Name (USA)
No Name (Pittsburg 61)
O-B (USA)


NOTE: In 2008 and older reference books, there was a U-302 listed. Listing are now part of U-303.
U-303
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
Example in Photo: No Name (USA)
Photo Credit: Bill Rohde
To directly link to this image copy and paste below URL:
 
U-304
Manufacturer or Marking
No Name (USA)

NOTE: U-304 has flat top U-305 have rounded top
U-304
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-305
Manufacturer or Marking
No Name (USA)
Line Material (USA)
Pinco (USA)
Victor R = ∞ (USA)

NOTE: U-304 has flat top U-305 have rounded top
U-305
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: Victor R = ∞ (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-306
Manufacturer or Marking
No Name (New Lexington) (USA)
U-306
Size: 88mm X 98mm (3 ½ x 3 ⅞)
Example in Photo: No Name (New Lexington) (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-308
Manufacturer or Marking
No Name (USA)
COOK (155) (USA)
Illinois (235) (USA)

NOTE: In 2008 and older reference books, there was a U-308A listed. It is now part of U-308 as it is a trim variation.
U-308
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: Jim Frustieri
To directly link to this image copy and paste below URL:
 
U-308A
Manufacturer or Marking
No Name (USA)
Franklin Porcelain (USA)

NOTE: in 2008 and older rephrase books, this was listed as U-308B. The old listing for U-308A was removed and this one moved in the the spot.
U-308A
Size: 82mm X 95mm (3 ¼ x 3 ¾)
Example in Photo: No Name (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-309
Manufacturer or Marking
No Name (USA)
Hartford Faience (USA)
U-309
Size: 85mm X 88mm (3 ⅜ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-310
Manufacturer or Marking
No Name (USA)
No Name (Maltese Cross on bottom outer skirt, Dry Process) (USA)
No Name (Dry Process) (USA)
FP (Franklin Porcelain 1000) (USA)
Pinco 62 (USA)
Pinco (USA)
U-310
Size: 85mm X 95mm (3 ⅜ x 3 ¾)
Example in Photo: No Name (Maltese Cross on bottom outer skirt, Dry Process) (USA)
Photo Credit: Robin Harrison
To directly link to this image copy and paste below URL:
 
U-310A
Manufacturer or Marking
No Name (USA)
Franklin Porcelain (USA)
U-310A
Size: 85mm X 98mm (3 ⅜ x 3 ⅞)
Example in Photo: Franklin Porcelain (USA)
Photo Credit: Greg Hale
To directly link to this image copy and paste below URL:
 
U-311
Manufacturer or Marking
No Name (USA)
No Name (Lapp) (USA)
Findlay (USA)
U-311
Size: 82mm X 98mm (3 ¼ x 3 ⅞)
Example in Photo: No Name (Lapp) (USA)
Photo Credit: Clint Gaylord
To directly link to this image copy and paste below URL:
 
U-313
Manufacturer or Marking
No Name (Lapp) (USA)
No Name (Dry Process) (USA)
Findlay (USA)
Hartford Faience (USA)
Illinois Map (235) (USA)
Triangel M (USA)
U-313
Size: 82mm X 82mm (3 ¼ x 3 ¼)
Example in Photo: Illinois Map (235) (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-313A
Manufacturer or Marking
No Name (USA)
G.P.Co. (USA)
Illinois Map (234) (USA)

NOTE: In 2008 and older reference books, there was a U-316A listed. Listing are now moved to U-313A.
U-313A
Size: 98mm X 82mm (3 ⅞ x 3 ¼)
Example in Photo: G.P.Co. (USA)
Photo Credit: Clint Gaylord
To directly link to this image copy and paste below URL:
 
U-314
Manufacturer or Marking
No Name (USA)
No Name (Westinghouse) (USA)
Lapp (USA)
Westinghouse (USA)
U-314
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: Westinghouse (USA)
Photo Credit: James Lindsey
To directly link to this image copy and paste below URL:
 
U-317
Manufacturer or Marking
No Name (USA)
Findlay (USA)
SQUARE D CO. PERU, IND. (Dry Process) (USA)
U-317
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: SQUARE D CO. PERU, IND. (Dry Process) (USA)
Photo Credit: Robin Harrison
To directly link to this image copy and paste below URL:
 
U-317A
Manufacturer or Marking
No Name (USA)
Findlay (USA)
Lapp (USA)
Pinco (USA)
U-317A
Size: 82mm X 95mm (3 ¼ x 3 ¾)
Example in Photo: No Name (USA)
Photo Credit: Jim Frustieri
To directly link to this image copy and paste below URL:
 
U-318
Manufacturer or Marking
Illinois (USA)
Knox (USA)
LOCRE (LOCKE) (USA)
KNOX (USA)
PP-KNOX (USA)
THOMAS (USA)
Victor Ins. Inc. (USA)
Westinghouse (USA)

NOTE: In 2008 and older reference books, there was a U-316 listed. Listing are now part of U-318. The listings for PINCO have moved to U-310
U-318
Size: 85mm X 88mm (3 ⅜ x 3 ½)
Example in Photo: PP-KNOX (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-320
Manufacturer or Marking
No Name (USA)
O-B (USA)
U-320
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: O-B (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-320A
Manufacturer or Marking
J-D (USA)
U-320A
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: J-D (USA)
Photo Credit: Bob Berry
To directly link to this image copy and paste below URL:
 
U-321
Manufacturer or Marking
No Name (OB) (USA)
O-B (USA)
U-321
Size: 79mm X 95mm (3 ⅛ x 3 ¾)
Example in Photo: No Name (OB) (USA)
Photo Credit: Bob Berry
To directly link to this image copy and paste below URL:
 
U-322
Manufacturer or Marking
No Name (USA)
Lapp (USA)
Lapp (591A) (USA)

NOTE: In 2008 and older reference books, there was a U-315 listed. Listing are now part of U-322.
U-322
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: No Name (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
 
U-323
Manufacturer or Marking
K5 (Lapp) (USA)
U-323
Size: 82mm X 88mm (3 ¼ x 3 ½)
Example in Photo: K5 (Lapp) (USA)
Photo Credit: Bill Rohde
To directly link to this image copy and paste below URL:
 
U-326
Manufacturer or Marking
No Name (USA)
U-326
Example in Photo: No Name (USA)
Photo Credit: Fred Collier
U-326 Variation
Note: Variation
Example in Photo: No Name (USA)
Photo Credit: Bill Vincent
Size: 82mm X 92mm (3 ¼ x 3 ⅝)
U-326
U-326
Variations: Click on the thumbnail above to see style variations
Variations: Tap on the thumbnail above to see style variations
To directly link to this image copy and paste below URL:
 
U-330
Manufacturer or Marking
No Name (Fred Locke) (USA)
Fred Locke (USA)

NOTE: in 2008 and older reference books this is listed as a U-330A.
U-330
Size: 79mm X 50mm (3 ⅛ x 2)
Example in Photo: No Name (Fred Locke) (USA)
Photo Credit: Ken Willick
To directly link to this image copy and paste below URL:
 
U-331
Manufacturer or Marking
Fred Locke (Teat rest, Fred Locke Attic Dig) (USA)
U-331
Size: 95mm X 73mm (3 ¾ x 2 ⅞)
Example in Photo: Fred Locke (Teat rest, Fred Locke Attic Dig) (USA)
Photo Credit: Ken Willick
To directly link to this image copy and paste below URL:
 
U-331A
Manufacturer or Marking
Fred Locke (2 Part Glazeweld, Teat rest, Fred Locke Attic Dig) (USA)
U-331A
Size: 101mm X 88mm (4 x 3 ½)
Example in Photo: Fred Locke (2 Part Glazeweld, Teat rest, Fred Locke Attic Dig) (USA)
Photo Credit: Ken Willick
To directly link to this image copy and paste below URL:
 
U-332
Manufacturer or Marking
Fred Locke (2 Part Glazeweld, Fred Locke Attic Dig) (USA)
U-332
Size: 98mm X 79mm (3 ⅞ x 3 ⅛)
Example in Photo: Fred Locke (2 Part Glazeweld, Fred Locke Attic Dig) (USA)
Photo Credit: Ken Willick
To directly link to this image copy and paste below URL:
 
U-334
Manufacturer or Marking
No Name (USA)
Westinghouse (USA)

NOTE: In 2008 and older reference books, there was a U-334A listed. Listing are now part of U-334.
U-334
Size: 98mm X 79mm (3 ⅞ x 3 ⅛)
Example in Photo: No Name (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
 
U-335
Manufacturer or Marking
No Name (USA)
U-335
Size: 95mm X 85mm (3 ¾ x 3 ⅜)
Example in Photo: No Name (USA)
Photo Credit: Kyle Donaldson
To directly link to this image copy and paste below URL:
 
U-337
Manufacturer or Marking
No Name (USA)

NOTE: In 2008 and older reference book, there was a U-337A. It is not removed as it is a trim vacation of U-337
U-337
Size: 114mm X 101mm (4 ½ x 4)
Example in Photo: No Name (USA)
Photo Credit: Matt Grayson
To directly link to this image copy and paste below URL:

All content © 2010 - 2024 | Hemingray Glass Company, LLC | allinsulators.com