Landrum, Robert Dallas, 1882- · [Cleveland, The Harshaw Fuller & Goodwin co.] · leaf 43
altpeter K2O, N2O5 202 53.4 0.0525 Carb. magnesia. .MgO, CO2 84 52.1 0.0800 Magnesia MgO 40 0.1000 Clay AbOs, 2.8 SiO*, 1.6 H*0 300 10.0 0.0100 Tin oxide SnOa 151 0.4600 4 Chemical analysis of feldspar: Per cent. Silica 70.66 Alumina 16.85 Potash (K20) 6.93 Soda (Na2Of by diff.) 4.61 Lime (CaO)… … . -;: INSIDES A chemical analysis of each of the materials usedwas made, and from them the following formulas werederived. These and the other constants given in the tableabove were used in making the calculations. A brief description of the action of each enamel dur-ing smelting and of the…
Enamel and enameling
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