Nope. Let me explain.

The manufacture in 1958 first started of as A-24 Zakłady Sprzętu Instalacyjnego in Gostynin. They made electric installation equiments at the time, like connectors, sockets, and other stuff in the type. At 1961, they started to make ballasts for HPMV, fluorescent, and other discharge bulbs, instead of the electrical equipments. At 1963, they chnaged their manufacture's name to Elgo Gostynin, and continued making the ballasts I believe. In 1972, they incorporated with another manufacture named Polam I believe. By 1978, their manufacture name was changed again, and renamed to Polam Gostynin (reasonable to the manufacture they incorporated with), and designed the first HPS streetlight in Poland, the OUS 400. From that time they started to make streetlights. From 1985, their streetlights were started to be stamped by a new logo, called Polamp. However, as of, the manufacture's name stayed the same. And in the same year, they made the last fixture before in 1990, their manufacture NAME was again renamed to Elgo Lighting. After the rename, they still continued the OUS / OUR 400 fixtures. At the time when the name was Elgo, they made many fixtures, such as the XXXd series in 1992, XXXa series in 1995, XXXe and XXXc series in 1997, and the Acron series in 2008, and many other. At the early 2010s, they started to make LED fixtures of different kinds, some flat, some in HPS shape, and even some in SOX shape like I mentioned. At early 2010s, some HPS fixtures were still made and some were new. In 2016, the manufacture I believe bankrupted and had to close down forever and ever...

And that's the story.

would love to see autoroute lighting like the old powerlite florescent fittings long and skinny reaching well over the main traffic lanes and not beaming from the side like current cobra head / high mast pizza box shaped units do

I agree

As I'm talking about the polish manufactures, I think Elgo Lighting was the only Polish manufacture that designed LED fixtures in SOX and HPS shapes (a few were flat). The Adeco pretty much looked like the Modus LV fixtures, but had a flat glass. Pretty much used LED tubes instead of diodes.

The Astra and the Acron 100 LED fixtures were basically in the design of HPS design. Astra had flat glass, the Acron 100 LED had a shallow bowl.

Take in mind these all fixtures were made in the early 2010s, or before 2016, as in 2016 the whole manufacture shut down unfortunately...

Interesting! I thought Elgo became Lena?

Yeah that's something I didn't really think about... that amount of dust in the air probably will do significant engine damage, if you let
the engine continue to run during that, or if you're driving in it, worse case scenario.
This makes me so glad that Ohio doesn't encounter dirt storms... but if that is ever a threat, I'm staying home and calling off from work if need be.
... Things are about to get a little crazy here... 72 degrees for today... severe storm threat set for around 2am here, then snow showers with possible
snow accumulations on Monday. Drastic drop in temperature expected after those storms roll through tonight, along a very strong cold front.
2am time frame for severe weather though is very dangerous. Thankfully we aren't in the highest threat for severe weather, but we are still in the yellow.
Southern Indiana is in the higher threat.

@Eleco_SR304 that does actually look like quite a nice lantern!

Not severe (though the can be) but I had a snow-squall move through my area late last night.
(Those are also something you don't want to drive in, and they tell you not to)

It was a sandstorm, not a dust storm, because the color of the sky was brown, not gray.

The sky will turn brown or red-ish(depending on type of soil in the area) in a dust storm too..
The difference between the two isnt the color! its about whats in the location and the particle size kicked up by the wind.
A sandstorm is sand -larger particles kicked up, where a dust-storm is actually dirt/soil(rather than 'dust', it could truly be called a 'dirt-storm') -smaller/fine particles kicked up.

does it not hurt to breathe in sandstorms? 

Either one (sand or dust) can be bad or even dangerous to breathe in.

Yeah driving in either one would probably be a complete nightmare. Especially if there's an embedded severe thunderstorm in it.

Driving in one is not something you want to do...
If you get caught in one what you want to do is not drive, but pull completely off the highway(if its one where you can), turn off your lights (including blinkers), and turn off your car too(that dust/sand can damage the engine! (same and to an even worse extent for a plane - don't fly through one))

Infact when they issue a dust-storm warning (part of the actual text from one below (this from Wyoming - wording will vary some by location, but basic message is the same)), it specifically says to avoid them or pull off the road.:

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Dust storms lead to dangerous driving conditions with visibility
reduced to near zero. If driving, avoid dust storms if possible. If
caught in one, pull off the road, turn off your lights and keep your
foot off the brake.

Motorists should not drive into a dust storm. PULL ASIDE STAY ALIVE!

There is no safe place on a highway when a dust storm hits.
Visibility can be lost immediately, making it difficult or impossible
to slow down and avoid stopped vehicles. Delay travel, or safely exit
the highway before the dust storm arrives.

As for thunderstorm in one...that in many cases is the cause of dust-storms in Arizona, strong outflow winds ahead of the storm - or for the big ones, line of storms like a QLCS - kicks up a huge cloud of dirt.
(this typically happens with the arrival of 'monsoon season' there - you have all that dry desert land thats been baking in the summer heat, then when the first round of monsoon storms hit, the outflow winds ahead of them sets it off. Then after that first round its much less likely to have dust storms ahead of thunderstorms/QLCS in the following weeks of the monsoon season)

Oh and note: you can also have a 'snirt-storm'(yep thats an actual term .lol. (meaning snow+dirt)) Thats where a snowstorm has picked up the sand/dirt/dust from a dust-storm, and when it comes down, you get dirty snow(it is kinda brown-ish in color)

the OV-15 I am interested in if shipping is an option

In my own opinion, the best LED fixture that I think was made, was probably the ES-System Racer. I always liked how they were made, and looked a bit different from other LED streetlights in Poland.

As I'm talking about the polish manufactures, I think Elgo Lighting was the only Polish manufacture that designed LED fixtures in SOX and HPS shapes (a few were flat). The Adeco pretty much looked like the Modus LV fixtures, but had a flat glass. Pretty much used LED tubes instead of diodes.

The Astra and the Acron 100 LED fixtures were basically in the design of HPS design. Astra had flat glass, the Acron 100 LED had a shallow bowl.

Take in mind these all fixtures were made in the early 2010s, or before 2016, as in 2016 the whole manufacture shut down unfortunately...

local safeways swapped into verdeon when going LED and now have replaced most of them with wit evolve ERS2s