Heavier weights -- could also be 15" rock hats, but then again, it was the 70s and most stuff was heavy.
Zildjian 15" Hollow Logo Avedis Hi Hat Cymbals (Late 1970s) Pair
1970s Zildjian A 14" New Beat Hollow Logo Bottom Hi Hat Cymbal 1460g
1970s Zildjian 14" A Hollow Logo New Beat Hi Hat Cymbals 1157g 1507g
Zildjian Avedis 15" New Beat Hi Hat - Bottom Cymbal ONLY - 645g
1970s Zildjian 18" A Crash Cymbal 1550g
1970s Zildjian 18" A Thin Stamp Crash Cymbal 1610g
