<<<<Sorry, I can't help with the 1/2 teaspoon.>>>>
Standard teaspoon as issued by chemists here with medicine is 5 millilitres
or 5cc, whichever you fancy. Most teaspoons approximate to this. Sid P.
_________________________________________________________________
Sid Pullinger Email : [log in to unmask]
36, Grange Rd Compuserve: [log in to unmask]
Alresford
Hants SO24 9HF
England