N-TBD: United Kingdom
1 3/4" X 3 1/2" (45mm X 90mm)
(top embossed) PLUTON. Rg PATENT No 16185 / 1915 DE LA RUE 1915 [complete unit]
Picture courtesy Richard Serridge |
1 3/4" X 3 1/2" (45mm X 90mm)
(top embossed) PLUTON. Rg PATENT No 16185 / 1915 DE LA RUE 1915 [cap removed]
Picture courtesy Richard Serridge |
1 3/4" X 3 1/2" (45mm X 90mm)
(top embossed) PLUTON. Rg PATENT No 16185 / 1915 DE LA RUE 1915 [cap showing markings]
Picture courtesy Richard Serridge |
This is a no-tie style insulator with a screw cap to hold the wire in a slot.