These are the 3 type porcelain Insulators which somebody can find a tarm's roof. The small spool is the resistor wire holder, the middle one is a busbar holders, the pin type Insulator is too. The back Insulator is the pin Type one with copper cup. They are noname. They are from junk dump hunting with Miklos. There are lot of old trams and trolleys. This dump is a recycling center.

[IFONA U]