In article , Nick Maclaren
writes
In article , Emrys Davies wrote:

If you shake an apple and you can hear its pips rattle it is ripe.

Er, no. That is one of the characteristics of a pippin. It does
not work for all other apples.

I thought 'pippin' indicated that it had originated as a seedling, in
which case there's no reason why all pippins should share that
characteristic. Does it work for Allington's Pippin, for example?
--
Kay
"Do not insult the crocodile until you have crossed the river"