The Ferris Wheel

The Ferrls v.iii'ii is undcubtedly the criiwn'iiL'. engineering feature of the Wortd's Fair. 'I be diameter ot the wiheel Ia 270 [eet, and the cin-uMifrrence 825 teel . I he en1 br ■ machine beIng placed 1 " teel above th ■ groand. ttighest 1 1 . i l i is !!;." [eet aBove ïurtaoe ol the eartíi. The as] ■ on wihioh the gre&i nrheel turas .-i steel bar, 1-" teel long and ::_' Lnohes ,isl u oach oí the t win wheela te ■■! steel hnb l feet in diRnueter. There are "'' cara on the ; whcel. paeh capabl ■ oí eomfortably , 10 people. Tihe cara are 28 kng, 18 iv, t wide and '.i Iee1 high, anti each one weight 18 ton-. The yheel with Ita passengere, 1. JIM) tOBS. Tl," wiiolc tUiltg resta on two pyramklal towera a1 the isi-. The towen are 140 teel high, 1() by 50 teel al the-base, and 6 teel iu:irr al t'.K'top. Kacb tower resta Cm concrete foundations. j (ci-ni'.-iiii these ave croBsbara of Bteel. The !iiotiv' power comea (rom a 1,000 Kir.-i'-piuvcr stram esglne under llic wliccl.