The information below is from

and click on the logo to go to their Web Site
(link active as at Wednesday 30th July 2008)

Williamson & Sons .......... Henry M Williamson & Sons
China manufacturer at the Bridge Pottery Works, Heathcote Road Longton Stoke-on-Trent
Operated from 1879 to 1941
In the mid 1800's, Henry Mountford Williamson was the founder
From 1912 onwards this pottery operated under the name of Heathcote China until its closure in 1941
Heathcote was the name of the street in Longton where the factory was situated

The following detail is from...

...and click on the logo to go to their Official Web Site
(links active as at Wednesday 30th July 2008)

CLICK HERE
to go to the
H M Williamson & Son list of Patterns
Note - the "Sylvan" pattern is not shown