2 minutes ago, HAKAPALITA said:

AC?., you were lucky to get a Radio back then. But you needed to steam the Widows  when you 19 and had nice Girly. ?. Or have you foregooten allready.

I recall near everything....You turned the quarter light 180 degrees so it scooped air in, that is early A/C. Before that rides had a windscreen that you could open a few degrees for even better air flow...?

Excuse me for offering the obvious solution:

Lower the humidity in Thailand.

 

That's something everyone could enjoy. ?