[A] Those who wish to study Indian pottery in detail are referred to Dr. W. H. Holmes' work on the Aboriginal Pottery of the Eastern United States, published by the Smithsonian Institution, Washington, D. C.
[B] Georgia Kaolin and Tennessee Ball Clay may be procured from the John H. Sant and Sons Company, East Liverpool, Ohio, and flint and feldspar from the Golding Sons' Company, Trenton, N. J., or the Eureka Flint and Spar Company, Trenton, N. J., in quantities of not less than one barrel or sack.
[C] If English china clay can be procured it will make a whiter ware than Georgia clay.
[D] Silk lawn of any desired mesh may be purchased by the yard from A. Sartorius & Company, 57 Murray Street, New York City; or brass sieves ready for use from the W. S. Tyler Company, Cleveland, O.
[E] Calvin Tomkins, 30 Church Street, New York City.
[F] Any good laundry soap will serve, but it should be sliced thin.
[G] Information as to the usual types of wheel may be obtained from The Crossley Manufacturing Company, Trenton, N. J.; The Patterson Foundry and Machine Company, East Liverpool, Ohio; a wheel operated like a sewing machine is sold by the Lewis Institute, Chicago.
[H] The Milligan Hardware Company, East Liverpool, O.
[J] The Roessler & Hasslacher Chemical Company, 709 6th Avenue, New York City, manufacture glazes according to the recipes of the author, and also chemicals for use in the laboratory.
[K] It is admitted that glazes are not chemical combinations but solid solutions, but the principle is more easily understood when the analogy of chemical action is adopted.
