CD 290-309

(Triple petticoat side groove)
CD 291

Manufacturer or Marking
HEMINGRAY (USA)
NO NAME (USA)
CD 291
Size: 107mm X 101mm (4 ¼ x 4)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Ron Yuhas
To directly link to this image copy and paste below URL:
CD 292

Manufacturer or Marking
NO EMBOSSING (USA)
PATENT - OTHER (USA)
CD 292
Size: 114mm X 95mm (4 ½ x 3 ¾)
Example in Photo: PATENT - OTHER (USA)
Photo Credit: Stan Severi
To directly link to this image copy and paste below URL:
CD 292.5

Manufacturer or Marking
KNOWLES (USA)
CD 292.5
Size: 152mm X 114mm (6 X 4 ½)
Example in Photo: KNOWLES (USA)
Photo Credit: Mike Spadafora
To directly link to this image copy and paste below URL:
CD 293

Manufacturer or Marking
LOCKE (USA)
CD 293
Size: 139mm X 114mm (5 ½ x 4 ½)
Example in Photo: LOCKE (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
CD 293.1

Manufacturer or Marking
LOCKE (USA)
CD 293.1
Size: 152mm X 114mm (6 x 4 ½)
Example in Photo: LOCKE (USA)
Photo Credit: Bill Meier
To directly link to this image copy and paste below URL:
CD 294

Manufacturer or Marking
N.E.G.M.CO. (USA)
CD 294
Size: 114mm X 88mm (4 ½ x 3 ½)
Example in Photo: N.E.G.M.CO. (USA)
Photo Credit: Dante Dimidio
To directly link to this image copy and paste below URL:
CD 295

Manufacturer or Marking
HEMINGRAY (USA)
CD 295
Size: 120mm X 101mm (4 ¾ x 4)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
CD 296

Manufacturer or Marking
LOCKE (USA)
NO EMBOSSING (USA)
NO NAME (USA)
PRISM (USA)
CD 296
Size: 114mm X 101mm (4 ½ x 4)
Example in Photo: NO EMBOSSING (USA)
Photo Credit: Stan Severi
To directly link to this image copy and paste below URL:
CD 296.2

Manufacturer or Marking

PRISM (USA)
CD 296.2
Size: 107mm X 92mm (4 ¼ x 3 )
Example in Photo: PRISM (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 297

Manufacturer or Marking
LOCKE (USA)
NO EMBOSSING (USA)
NO NAME (USA)
CD 297
Size: 149mm X 107mm (5 x 4 ¼)
Example in Photo: NO EMBOSSING (USA)
Photo Credit: Shaun Kotlarsky
In the collection of:
Derek Weis
To directly link to this image copy and paste below URL:
CD 298

Manufacturer or Marking
NO EMBOSSING (USA)
CD 298
Size: 139mm X 136mm (5 ½ x 5 )
Example in Photo: NO EMBOSSING (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 299

Manufacturer or Marking
BROOKFIELD (USA)
CD 299
Size: 117mm X 82mm (4 x 3 ¼)
Example in Photo: BROOKFIELD (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 299.1

Manufacturer or Marking
PRISM (USA)
CD 299.1
Size: 117mm X 95mm (4 x 3 ¾)
Example in Photo: PRISM (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 299.2

Manufacturer or Marking
NO EMBOSSING (USA)
CD 299.2
Size: 139mm X 95mm (5 ½ x 3 ¾)
Example in Photo: NO EMBOSSING (USA)
Photo Credit: Bill Meier
To directly link to this image copy and paste below URL:
CD 299.5

Manufacturer or Marking
CRISTALERIAS (Chile)
CD 299.5
Size: 139mm X 101mm (5 ½ x 4)
Example in Photo: CRISTALERIAS (Chile)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 299.7

Manufacturer or Marking
LOWEX (USA)
CD 299.7
Size: 139mm X 107mm (5 ½ x 4 ¼)
Example in Photo: LOWEX (USA)
Photo Credit: Ken Roberts
To directly link to this image copy and paste below URL:
CD 300

Manufacturer or Marking
BROOKFIELD (USA)
LOCKE (USA)
CD 300
Size: 177mm X 133mm (7 x 5 ¼)
Example in Photo: LOCKE (USA)
Photo Credit: Stan Severi
To directly link to this image copy and paste below URL:
CD 301

Manufacturer or Marking
NO EMBOSSING (USA)
CD 301
Size: 177mm X 117mm (7 x 4 )
Example in Photo: NO EMBOSSING (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 301.2

Manufacturer or Marking
NO EMBOSSING (USA)
CD 301.2
Size: 177mm X 107mm (7 x 4 ¼)
Example in Photo: NO EMBOSSING (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 301.5

Manufacturer or Marking
HEMINGRAY (USA)
CD 301.5
Size: 184mm X 117mm (7 ¼ x 4 ⅝)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Christian Willis
Digitally repaired by: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
CD 302

Manufacturer or Marking
HEMINGRAY (USA)
CD 302
Size: 177mm X 95mm (7 x 4 ¾)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Stan Severi
To directly link to this image copy and paste below URL:
CD 303/310

Manufacturer or Marking
HEMINGRAY (USA)
CD 303/310
Size: (Top) 228mm X 149mm (9 x 5 ⅞)
(Bottom) 139mm X 203mm (5 ½ x 8)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Stan Severi
To directly link to this image copy and paste below URL:
CD 303.5

Manufacturer or Marking
HEMINGRAY (USA)
CD 303.5
Size: 203mm X 196mm (8 x 7 ¾)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Unknown
To directly link to this image copy and paste below URL:
CD 304/310

Manufacturer or Marking
HEMINGRAY (USA)
NO EMBOSSING (USA)
CD 304/310
Size: (Top) 228mm X 133mm (9 x 5 ¼)
(Bottom) 139mm X 203mm (5 ½ x 8)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Stan Severi
To directly link to this image copy and paste below URL:
CD 304.5

Manufacturer or Marking
WC - 10B JT (USSR)
CD 304.5
Size: 234mm X 114mm (9 ¼ x 4 ½)
Example in Photo: WC - 10B JT (USSR)
Photo Credit: Bill Meier
To directly link to this image copy and paste below URL:
CD 306

Manufacturer or Marking
LYNCHBURG (USA)
CD 306
Size: 117mm X 101mm (4 x 4)
Example in Photo: LYNCHBURG (USA)
Photo Credit: Justin Stoudt
To directly link to this image copy and paste below URL:
CD 307

Manufacturer or Marking
HEMINGRAY (USA)
CD 307
Size: 120mm X 123mm (4 ¾ x 4 ⅞)
Example in Photo: HEMINGRAY (USA)
Photo Credit: Ron Yuhas
To directly link to this image copy and paste below URL:
CD 308

Manufacturer or Marking
NO EMBOSSING (USA)
NO NAME (USA)
CD 308
Size: 107mm X 114mm (4 ¼ x 4 ¼)
Example in Photo: NO EMBOSSING (USA)
Photo Credit: National Insulator Association
To directly link to this image copy and paste below URL:
CD 309

Manufacturer or Marking
BEAL'S (USA)
CD 309
Size: 177mm X 149mm (7 x 5 ⅞)
Example in Photo: BEAL'S (USA)
Photo Credit: Unknown
To directly link to this image copy and paste below URL:
CD 309.5

Manufacturer or Marking
WESTINGHOUSE (USA)
CD 309.5
Size: 190mm X 253mm (7 ½ x 10)
Example in Photo: WESTINGHOUSE (USA)
Photo Credit: Unknown
To directly link to this image copy and paste below URL: