Wrtl Arc 90 my collection
This is my Wrtl arc 90, unfortunately, it does not work as the electronic ballast is EOL. It has a leaf nut node on it, and doesn’t have the original ballast or lamp wattage, thus when I get a new electronic ballast for it. I will try and get a 150w SON Harvard electronic ballast as that is the one it would have originally had as it is painted in the Surrey Green colour. So because of that, I know it is from Surrey.
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Upon opening the canopy, you can see the Philips dynavision 100w son ballast, the leafnut node and the sealsafe optic system
The Harvard leafnut node. Click on image to make it larger.
![](https://primary.jwwb.nl/public/r/f/v/temp-jqmpgpsmvgfaoetvmxgd/img_1982-high.jpg?enable-io=true&enable=upscale&crop=1919%2C1440%2Cx1%2Cy0%2Csafe&width=1066&height=800)
The 100w SON-T lamp in its removable lamp holder.
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The Wrtl arc 90 sticker.
The optic system and EOL ballast.
I have now got a new ballast for this lantern. I didn’t get a Harvard one or a 150w one, however, I got a 100w Philips ballast. Because there is nowhere to connect the node, I fitted a mini-photocell to it.
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Here is the new ballast, when I was fitting it into the lantern, I snapped the top off one of those horrid connectors, however, I managed to get it in.
![](https://primary.jwwb.nl/public/r/f/v/temp-jqmpgpsmvgfaoetvmxgd/image-high-utm4dq.jpg?enable-io=true&enable=upscale&crop=1919%2C1440%2Cx1%2Cy0%2Csafe&width=1066&height=800)
The Royce-Thompson microstar 2000 mini-cell.
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