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ABSTRACT
Sintered glass plates, as usually prepared in the laboratory, are frequently inhomogeneous and require machining to the desired final dimensions. A new method makes it possible to produce homogeneous plates which require little or no machining. Water and two additives are mixed with the glass beads, the resulting mixture is cast, and then dried. The product is a coherent, homogeneous glass bead sheet. This sheet may be easily carved to the desired size and shape before sintering. Alternatively, complex shapes may be cast directly. Refractory materials other than glass beads may also be used.
1 Contribution from the Department of Soils and Plant Nutrition, University of California, Berkeley.
2 Former Research Assistant and Professor, respectively. The senior author is now Research Soil Physicist, US Geological Survey, Menlo Park, Calif.
Received for publication June 16, 1966. Accepted for publication November 2, 1966.
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