Yes...the open bottom.....came out in 1960 and ended production in 1971......They were VERY common in New York City......in 175 watt starting 1963....until HPS take over...
It is still found around here in Maryland.....plenty....also I know they are found in VA too.........
Yes sir! The M-100 is kinda rare in the USA but not rare in my state which is Maryland....lot of them...there used to be a lot of M-100 in New York City!
It is still found around here in Maryland.....plenty....also I know they are found in VA too.........
Rarier in the west though...
My favorite fixture shown of course would be the form 175 PowerPack. Love that design