Transactions . that is, to two independentrariables. For example, if an alloj of tin, copper, and zinc beiBenmed to contain 1> per cent of tin and 80 of copper,he percentage of rinc must be 5, the difference between Fig. 2. 50 ISO Silicate-Degree Jross-Series, Showing Effect of Increase of Silica upon Formation-Temperature.(Being Fig. 7 of Prof. Hofmans Paper, Trans, xxix., 701.) L5 -f 80 and 100. When the percentages of tin and copperlave been fixed, that of zinc cannot be varied. But two in-lependent variables can be shown by the common diagramvith rectangular co-ordin
Transactions . that is, to two independentrariables. For example, if an alloj of tin, copper, and zinc beiBenmed to contain 1> per cent of tin and 80 of copper,he percentage of rinc must be 5, the difference between Fig. 2. 50 ISO Silicate-Degree Jross-Series, Showing Effect of Increase of Silica upon Formation-Temperature.(Being Fig. 7 of Prof. Hofmans Paper, Trans, xxix., 701.) L5 -f 80 and 100. When the percentages of tin and copperlave been fixed, that of zinc cannot be varied. But two in-lependent variables can be shown by the common diagramvith rectangular co-ordinates. A diagram showing only tin-ind copper-percentages will serve to illustrate all the proper-;ies of the ternary bronze. Why use, then, the inconvenient)blique equilateral-triangle diagram, when results can be plot-ted with comparative ease on ordinary cross-section paper, withrectangular co-ordinates, in an erect, right-angled triangle ?Moreover, it is possible to read off from such a plot the third or CO 6. 0N8TITUT] I DUD BI I i;i- \\i \i. m \«; lependenl variable. In Fig, t. let any vertical line (as EE OBepresent LOO per cent of whatever mixture is under consid<ion, say tin-copper-zinc, Farther, lei the lower part (EP) of Fig. i.
Size: 1191px × 2098px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
