Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 287
ployed to giveform to arches anddomes. The useof the catenary forsuch purposes maybe illustrated byconceiving a seriesof equal spherical balls held together by mutual attrac- 2b2 NATURAL PHILOSOPHY. illustration by astring of balls; Fig. 165. sides of thepolygon, thechords of theballs; … tions, but with perfect freedom to slide the one over theother. Such a collection of balls would resemble a stringof beads, and ifsupported at theends would, underthe action of theirown weight, as-sume the form ofthe catenary, orrather funicularpolygon, of whichthe sides would bethe chords of…
Mechanics · Acoustics · Optics
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