Picture House / Regal / ABC
  West Blackhall Street 

Photo courtesy of Paul Francis. Additional pictures here and here.
Opened November 1921; originally seating 1,500.
Sold to ABC i nthe  1970s. Auditorium was tripled (two small screens in stalls + balcony screen), in the late 1970s.
Closed September 1987. Demolished for shops.

Images below courtesy of 'dusashenka'