JFZ - in fairness, I suspect that A440 [sic] is a typo from Hansard. They're almost infallible, but not quite. It could be a slip of the tongue by Lord Gilbert (he gets it right every other time), but Hansard's compilers usually spot a small, obvious slip such as that and quietly correct it to what the speaker clearly meant.
I'd assumed that the unparliamentary language survived (it is there in Hansard) because those present didn't know what it meant or hadn't heard it, but given who was chairing the session, it simply suggests that their Lordships and Ladyships are a little more robust than those in the Other House and were content that Gilbert's plea (quoted by Page) was heeded. Although whether it survives in the bound volume...