Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 83
Fig. 35. f ij. ^o. zinc (* electric calamine ), boracite, cane-su-^ar, quartz,tartrate of potash, sulphate of quinine, and several others.Boracite cr^^stallises in the form shoun in Fig. ^i^^ whichrepresents a cube having four alternate corners trun-cated. The corners not truncated beha\^ as…
Electricity · Magnetism
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