What does ‘potash’ have to do with potassium?
‘“I am not screwed,” replied the Caterpillar, solemnly. “Whisky and potass does not agree with everybody; but I am not screwed, not at all.” So speaking he sat down rather suddenly.’ By screwed he meant ‘drunk’ of course. The Caterpillar is not the one in Alice in Wonderland but the nickname of a fifth-former in a book you might not wish your wife or your servants to read. It is The Hill by Horace Annesley Vachell (1905) about boys at Harrow, more particularly the love between them. Surprisingly it caused no outrage at the time. The Caterpillar was drunk on whisky, then sometimes mixed with potassium bicarbonate water. In Doctor
