Very high-quality brand SZN.
There are 5 different insulators in total. Dark cobalt. Different shades for the lumen.
Different brands and shapes.
Brand number 1 in the circle ⓵.
Brand number 2 Roman II.
The NEMAN brand is in large letters .
The Neman brand is small letters.
A small insulator made of blue cobalt. Rarety!!! Manufacturer: Neman Country of origin: USSR Glass factory "Neman" (former factory Jtable "NIEMEN") has existed since 1883 and specializes in the manufacture of glassware and arts and crafts. The plant began producing insulators in 1915, and a number of low-voltage glass insulators were manufactured for communication lines, low-voltage distribution and lighting networks. TS insulators are not currently manufactured, but are still often found in city restaurants, especially in Belarus. a modern analogue is NS-18. TS Neman insulators are different from other dark ones made of cobalt glass.
The exact year of manufacture is unknown. PROPOSED QUESTION OF 1900 !!!! An excellent insulator for the collection or manufacture of decorative products .
Many different insulators are available, large, small, glass, porcelain, cobalt. Ask the seller.
100% ORIGINAL! .