The lost solar system of the ancients discovered (1856)
Wilson, John, writer in astronomy · London Longman, Brown, Green, Longmans, & Roberts · leaf 491
AREAS. OBELISK. I — — At i r^\ K?y Fig. 13. THE OBELISK AT HET.IOPOLfS. 478 OBELISCAL AREAS. Fig. 14. represents a series of obeliscal areas, where the centralor primitive triangle has the height to side of base as 1 : 2. Thesectional axes being as 1, 3, 5, 7, &c, and ordinate?, as 2x1,2x2,… … Fig. 14. OBELISCAL AREAS. 479
Building -- History · Pyramids -- Curiosa and miscellany · Sepulchral monuments
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