APW stands for Australian Porcelain Works. The 'Melbourne' mark in the picture can barely be seen due to the blurriness, so I put a box around it so you can see where it is. The one with square edges is the only one of it's type I have ever seen.
- Unmarked X
- Incused 'Melbourne' on top
- Incused 'APW' on top X
- Unmarked with square edges around top (Third picture)
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Australian Telegraph Insulators
RandomAustralian insulators from communications lines. There are several different kinds that look the same at a glance, but they are very different. This shows some of the many kinds of Australian insulator. There are pottery, porcelain, glass and even...