Winsor made an elaborate calculation in his pamphlet entitled 'The New Patriotic Imperial and National Light and Heat Company,' from which it appeared that the net annual profits "agreeable to the official experiments" would amount to over two hundred and twenty-nine millions of pounds!--and that, giving over nine-tenths of that sum towards the redemption of the National Debt, there would still remain a total profit of 570L.

to be paid to the subscribers for every 5L.

of deposit! Winsor took out a patent for the invention, and the company, of which he was a member, proceeded to Parliament for an Act.
Boulton and Watt petitioned against the Bill, and James Watt, junior, gave evidence on the subject.

Henry Brougham, who was the counsel for the petitioners, made great fun of Winsor's absurd speculations,[10] and the Bill was thrown out.
In the following year the London and Westminster Chartered Gas Light and Coke Company succeeded in obtaining their Act.

They were not very successful at first.