the 'clue', Patricia, which enables this to be found on the 'search' facility, is the word stone to accompany your pix - if the word black is combined, then up pops the previous example.

It seems that the C18 and early C19 examples had handles - often reeded or bobbin shaped to give better grip, and appear to have been made in a variety of places in Europe. Apparently there was a purpose made small glass water sprinkler that accompanied these later smoothers, especially when pleating starched ruffles. Very tiresome to use without a handle, surely.