Brodetsky, Selig, 1888-1954 · London, G. Bell and Sons, Ltd. · leaf 54
36 GENERALISED NOMOGRAMS FOR the order of the process and the starting point is indicated by the arrow-feathers. … 21. Nomogram for x=a+b + c + d. We are now in a position to construct a more ex- tended nomogram, as e.g. for In Fig. 21, take a scale up, scale 6 at half unit down : we get reference line (i), which is really a+h at full unit down, but not graduated. Now take scale c at half unit up, midway…
Nomography (Mathematics)
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