"The works of Machin and Potts [c.1834-37], formerly Machin and Baggaley [c.1818-33], and now styled the Waterloo- Pottery, in the Hole-house, and Waterloo-road, are the oldest existing establishment for the manufacturing of porcelain in Burslem." (Ward p 265)

Joseph Machin:

• Joseph Machin was recorded as operating at location 49 on J. Allbut and Sons "Map of the Potteries of 1802".

• "Joseph Machin of Burslem was the progenitor of the Machins of the Hole House Works.." (Wedgwood p 143). 

• Directories of 1818 and 1822 list Joseph Machin, Waterloo Road, China Earthenware, enameller and black printer.
   

Machin & Baggaley:

• "About 1809, the premises [Waterloo Potteries] were purchased by Joseph Machin and Jacob Baggaley, and carried on by them for the making of china and ordinary earthenware" (Jewitt)

• Wedgwood referencing an 1818 directory by W. Parson and T. Bradshaw mentions "Machin & Baggaley, Low Street; Joseph Machin, Waterloo Road" 

  "The trades of that day dependent on potting were: Makers of the crates wherein to pack the ware; gilders; cobalt-refiners and colour-makers, of whom Machin and Bagguley of the new "Waterloo" Road were perhaps the most important.." (Wedgwood p 156).

• Jacob Baggaley died April 1819 aged 58. (Advertiser)
  

Machin & Co:

• Directories of 1818, 1822 & 1830 list Machin & Co, Nile Street, China & earthenware manufacturers.  Piggot's directory of 1828 lists Jos Machin & Co, Nile Street, China & Earthenware manufacturer.   

• December 1831, auction at Colour Bank, Waterloo Road., late held by Machin & Co, ceased colour making, 4 colour kilns. (Advertiser)
  

William Machin and partners:

• "In 1831, Mr. [Joseph] Machin died and was succeeded by his son, William Machin and partners" (Jewitt)

• "Machin & Co. have, within a few years past [in September 1831], introduced a patent process for printing china and earthenware by machinery, the paper impressions being thrown off from steel cylinders, each engraved with the required pattern, in rapid and almost endless succession, ready for the transferrers' hands." (Ward p 265)

Machin and Potts:

• ".. afterwards, in 1834, "Machin and Potts" of the Waterloo Works." (Wedgwood p 143). 
  NOTE: Wedgwood gives 1843 as the date for the formation of Machine & Potts - this is a typo as the actual date is 1834. 

• "Mr. Potts has also obtained [December 1835] a patent for printing the biscuit wares in various colours at the same time ; and, besides this, the proprietors..  have lately brought an important application of the same principles to the ornamenting of paper.." (Ward p 265) 

• The partnership was dissolved in October 1838.