Yes, I am aware Benzedrine was amphetamine freebase. It's still funny reading about them cracking open inhalers like us Goblins.

Dr Asher loved to shock his family. Once, when Paul had a bad cold, Dr Asher wrote him a prescription for a nasal inhaler and showed him how to use it. ‘You take off the top and place it on your little finger, like so.’ He demonstrated. ‘Then you take a sniff with each nostril as per normal; then, after you’ve finished with it, you can unscrew the bottom and eat the Benzedrine.’ Peter shuffled his feet nervously and Paul grinned, not knowing how much he could confide in the good doctor. Paul: ‘We learned about that stuff up in Liverpool but hearing it coming from him was quite strange!

DAWG PAUL EATS THE WHOLE FUCKIN COTTON

The first drugs I ever took, I was still at art school, with the group – we all took it together – was Benzedrine from the inside of an inhaler. John Lennon, 1974

According to George Harrison, “Ellis had discovered that if you open a Vick’s inhaler you find Benzedrine in it, impregnated into the cardboard divide.” The chewed cardboard strip, known as a spitball, energised the users and had a euphoric effect. As Lennon recalled: “Everybody thought, ‘Wow! What’s this?’ and talked their mouths off for a night.”