S Tyzack & Sons.
Their History is very long and takes up a few pages.
From 1817 till 1991 the Tyzack family was in business.
Here is the link to a pdf about that part: http://www.tyzack.net/chap16.pdf


William Tyzack Trade Mark 1876?. Joseph Tyzack Trade Mark 1847
These two Trade marks are the best known of the Tyzack family.
There where several different Companies they had.

Their factory in 1876.
Source from the above pdf history.