Glass Color Reference
Here is a glass color reference about the Central European Insulators. I use 2x 40 W spot bulbs milk plexi light box with HP M-517 camera in Tungsten white balance. I can't buy in Europe 5000 K pipes and they are flashing, the bulbs give better pictures.
Hungarian Glass Insulators:

No Name No Name
No Name
CD-455
No Name
CD-456
Romanian Glass Insulators:

No Mark
CD-408
TURDA
Rich Swirls
"2 Tone"
1 piece ->
Unusual
Shapes
TURDA CD-407
CD-407 CD-409
"Shorties"
CD-445
CD-445
CD-445
No Embossing
CD-578.2
No Embossing
CD-578.4
No Mark
CD-446
German Glass Insulators:


E.S.A.
CD-470
E.I.V
CD-470
VEGLA
CD-600
VEGLA
CD-449
Polish Glass Insulators:

IŁ.NS.
CD-470.1
IŁ.NS.
CD-472
IŁ.NS.
CD-440
IŁ.NS.
CD-441
IŁ.NS.
CD-443
IŁ.NS.
CD-449

CD-579
NIEMEN No Name