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J. Victor Owen
Antique Porcelain 101: A Primer on the Chemical Analysis and Interpretation of Eighteenth-Century British Wares

Ceramics in America 2002

Full Article
Contents
  • Figure 1
    Figure 1

    Gew Grange soapstone quarry. (Photo, Victor Owen.)

  • Figure 2
    Figure 2

    A view of the bay at the end of the Gew Grange quarry. The pale band in the cliff is a shear zone in which soapstone formed at the expanse of the dark host rock (peridotite). (Photo, Victor Owen.)

  • Figure 3
    Figure 3

    Teapot, Lowestoft, ca. 1770. Soft-paste porcelain. H. 6". (Courtesy, Roderick Jellicoe.)

  • Figure 4
    Figure 4

    Plate, William Reid, Liverpool, ca. 1757. Soft-paste porcelain. D. 9". (Courtesy, Roderick Jellicoe.)

  • Figure 5
    Figure 5

    Coffee can, William Reid, Liverpool, ca. 1758. Soft-paste porcelain. H. 2 1/4". (Courtesy, Roderick Jellicoe.

  • Figure 6
    Figure 6

    Coffee cup, Derby, ca. 1758. Soft-paste porcelain. H. 6". (Courtesy, Roderick Jellicoe.) This enameled example has an unusual ear-shaped handle.

  • Figure 7
    Figure 7

    Vase, Derby, ca. 1760. Soft-paste porcelain. H. 6". (Courtesy, Roderick Jellicoe.)

  • Figure 8
    Figure 8

    Coffee can, Samuel Gilbody, Liverpool, ca. 1758. Soft-paste porcelain. H. 2 1/2". (Courtesy, Roderick Jellicoe.)

  • Figure 9
    Figure 9

    Mug, Samuel Gilbody, Liverpool, ca. 1758. Soft-paste porcelain. H. 3 1/2". (Courtesy, Roderick Jellicoe.)

  • Figure 10
    Figure 10

    Breakfast cup, Pennington’s, Liverpool, ca. 1785. Soft-paste porcelain. D. 4 1/2". (Courtesy, Roderick Jellicoe.)

  • Figure 11
    Figure 11

    Plate, Bow, ca. 1756. Soft-paste porcelain. D. 8". (Courtesy, Roderick Jellicoe.)

  • Figure 12
    Figure 12

    Sauceboat, Worcester, ca. 1754, Soft-paste porcelain. H. 2 3/4". (Courtesy, Victor Owen.)

  • Figure 13
    Figure 13

    Identification of eighteenth-century porcelain factories based on bulk alumina contents (Al2O3).

  • Figure 14
    Figure 14

    Phase diagram of how porcelain pastes melt in kiln temperatures.

  • Figure 15
    Figure 15

    Diagram showing the shape (morpohology) during heating.

  • Figure 16
    Figure 16

    Diagram showing crystallized mineral grain.