Whistle 1 is a Pennsy banshee whistle, accurate for the decapods as built.
Whistle 2 is a Pennsy 3 chime. I believe I read somewhere decapods wore these later in life.
( Pennsy experts please chime in)
Whistle 3 Strausburg 90?
Whistle 4 is PM 1225.
Whistle 5 is an N&W hooter.