APPENDIX I CERAMIC MANUFACTURERS’ MARKS [Illustration: CERAMIC MANUFACTURERS’ MARKS] A. Arthur J. Wilkinson, Royal Staffordshire Pottery, Burslem, Staffordshire. White ironstone plate, 1891-1896. B. John Edwards, Fenton, Staffordshire. White ironstone plate, c. 1891-1900. C. John Maddock and Sons, Burslem, Staffordshire. White ironstone plate, 1891-1896. D. C. C. Thompson & Co., East Liverpool, Ohio. White ironstone nappy, 1884-1889. E. Limoges, France. White porcelain saucer, c. 1875. F. Haviland & Co., Limoges, France. White porcelain plate, c. 1876-1891. G. Unidentified mark, decal-printed porcelain plate. H. John and George Alcock, Cobridge, Staffordshire. Light blue, transfer-printed bowl, 1839-1846. I. Josiah Wedgwood, Burslem, Staffordshire. Impressed on creamware sauce tureen, 1769 to present. J. Unidentified impressed mark, white porcelain platter. APPENDIX II SIGNIFICANT DATES IN THE AMERICAN GLASS INDUSTRY First three-piece hinged mold c. 1808 Two-piece hinged mold first used in America by 1809 First widespread use of slanting collar finish c. 1820 Ricketts patent for three-piece mold with lettered base 1821 First side-lever glass press late 1820s “Lacy” pressed glass 1820s-1840s Popularity of smooth-patterned pressed glass tableware c. 1840s-1880s sets Development of jawed lipping tool for bottles pre-1840 Amasa Stone receives first U.S. patent for lipping tool 1856 Introduction into U.S. of non-pontil holding devices late 1840s-1850s for bottles Formula for kerosene patented by Abraham Gesner 1854 Development of two-piece mold with separate post base pre-1858 Mason jar patent 1858 Blow-back mold in general use c. 1858-1900 First oil well in Pennsylvania leads to widespread use 1859 of kerosene fueled lamps Introduction of French Square pharmacy bottles early 1860s Student lamp patented in Prussia 1863 Leighton formula for improved lime glass 1864 Development of plate mold for embossed bottles pre-1867 Widespread embossing of bottles 1860s-1920s Empontilling of bottles almost entirely replaced by 1870s use of holding devices Greatest popularity of turn-molded bottles 1870s-1920s Student lamp introduced in U.S. 1870s