Pottery. A history of the pottery industry and its evolution as applied to sanitation, with unique specimens and facsimile marks from ancient to modern foreign and American wares .. (1910)
Thomas Maddock's Sons Company · [Philadelphia, Printed by Dando] · leaf 96
employed would craze and permit the ware to dis- color. The last and most important step was taken, and all high grade sanitary ware is now made of vitreous body, and the crazing of the glaze is entirely overcome. , … 78
Pottery · Toilets
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.