Which garment was patented by a Scottish chemist Charles Macintosh in 1823?

Player #29684811, It’s called a mac, not a Mack.

And the banker never wears a mac in the pouring rain, very strange.

Scout, Do they sometimes get reduced rates in the Cinema ?

Player #29684811, Please don't forget the Amasing Billy Connerly and his Mack's and Welly song