The glass-blowers guild of Murano forbade the furnaces to function during autumn forcing the maestri and their employees to look for alternative work.
In 1806 the glass-blowers guild was abolished, by the middle of the century the number of glass factories functioning in Murano dwindled to twelve.
I put the question to master glass-blower, Fabio Fornasier.
At the various colleges and universities that have glass departments, the modular teaching system means that anybody who wants to be a glass-blower
hasn't got enough time to stay in the shop hour after hour after hour.
Best buys are lace and glass and you can watch the glass-blowers
at work in Murano.
Paul, chief scientific glassblower at SOG Ltd based at The Heath Business and Technical Park in Runcorn, Cheshire, is one of 200 scientific glass-blowers in the country.
No one knows this better than Paul Le Pinnet, an awardwinning glass-blower who moulds molten glass into intricate shapes for scientists.
In my early days as a trainee chemist at Unilever, I broke so many glass vessels that it got to the stage when the resident glass-blower got fed up and said if you're going to break the glass you may as well learn how to mend it," he says.
There are shops to suit all tastes and from the Place du Champ in the centre of the town we walked along the Rue du Jerzual which slopes steeply down to the Rance where glass-blowers
, sculptors and weavers still practise their crafts.
But as Philip is only one of a handful of a new generation of glass-blowers, it has become a dying art.
It's a dangerous job, but someone's got to be a glass-blower.
You can watch glass-blowers
and potters create amazing bowls and glasses.