Art-studies from nature, as applied to design : for the use of architects, designers, and manufacturers (1872)
Hulme, F. Edward (Frederick Edward), 1841-1909, Glaisher, James, 1809-1903, Mackie, Samuel Joseph, Hunt, Robert, 1807-1887 · London, Virtue & co. · leaf 157
Fig. 26. selves the germ of the most symmetrical combinations, is that ofwhich Figs. 4 and 5 (page 136) are types ; they exhibit secondaryspiculae diverging from the principal radii at an angle of 60°. 142 ART-STUDIES FROM NATURE. Around the simple it frequently happens that a secondary andsmaller… … Fig. 27. this and similar cases it is the union of two crystals of distincthexagonal formation. Sometimes it happens that the secondary spiculae, which wesee in Figs. 4 and 5, are continued down the main radii until theyform a contact with each other, as in Fig. 7 (page 137). The starthus enclosed…
Decoration and ornament · Nature (Aesthetics)
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