Manufacturer of earthenware the Bell Works, Albion Street and Church Works, Hanley, Stoke-upon-Trent, England

• The brothers John Ridgway and William Ridgway were in partnership at the Cauldon Works from 1814-30. 

• In 1830 the two brothers inherited the Bell Works from their uncle George, John kept the Cauldon Works and William moved to the Bell works.

• The Church Works were owned by Joseph Mayer who, in about 1832, rented part of the works to William Ridgway.

• William Ridgway was Joseph Mayer's cousin. Joseph Mayer had in his employ a 'clever modeller', Leonard James Abington, who was also a chemist, and around 1834 he placed him in partnership, thus making the '& Co' in William Ridgway & Co. 

• When Joseph Mayer ceased potting in 1832 he then let the majority of his works to W. Ridgway & Co., retained an oven and other parts of the works, 

The jug is decorated with relief moulded designs and figures, 
which are scenes from the Robert Burns poem about Tam O'Shanter.

Marmora, Greece - is a village on the island of Paros, South Aegean
it is famous for it marble quarries

- Wikipedia article - 

W R & Co
Marmora

a printed mark with an urn and anchor
MARMORA is the pattern name 

the inclusion of '& Co' indicates 
a date 1834-54

a plate in the Flosculous pattern 

the pattern has several groups of idealised flowers radiating from a central rococo style scroll motif - the edge has four areas of cast-in raised flowers

the Collins Dictionary defines the word flosculous as "lowery; abounding in flowers" 

1834-54

Tyrolean was a series of Alpine scenes with mountains, 
buildings & figures and used on a wide range of wares.

1834-54

without '& Co' indicates 
a date 1830 - 34

A number of patterns and printed marks were reissued at later periods by a subsequent company:- Ridgways at the Bedford Works.  

• If the mark has the name 'Ridgways' (in the plural) then is is from the later 1879-1920 period. 

• If 'ENGLAND' is included then it is after 1891.