Yeah! Lookin' good! Has a brown 120V DTL photocell. Year is 2005 IIRC. Light is from 1977 and has a replacement acrylic refractor. It has a yellowed polycarbonate refractor identical to this one when removed (this is the OEM plastic refractor used, but this light originally did have a glass).
Thanks! This one came from a municipal utility in Massachusetts (Sterling, MA). These weren't as common as Westy or GE lights here but there were a number of them. Most in 100W I think but a fair number of 175s too. They were VERY lightly used in 70 and 100W HPS in the 80s but most were from the 70s or very late 60s and were MV.
Ah any left here are 100 or 175W MV from the late 60s through the 70s. There are some HPS ones from the early 80s, either 70 or 100W HPS, but they're rare. RIDOT had used a few of these in 250W HPS in the mid-late 80s but they never caught on.
Very nice, I used to see lots in Ontario! Toronto has some and my city has only 1 left. Now the LED's taking over northern Ontario have forced them to come down.
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There are still a number of these left here, most or all of them are 100 watt HPS.