Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 108
aborate system of trusses and ties, which,* however, left anopen space between the rims of 20 feet from the outside. These last wereformed of curved riveted hollow beams, in section 25-J- inches by 19inches, and between them, slung upon iron axles through the roofs, weresuspended, at equal… … JUG WHEELS. 83 1,200 tons, and it rested on two pyramidal skeleton towers of iron-work140 feet lii^li) liavini; bases 50 feet Ijy 60 feet. The wheel was moved bypower applied at the lowest point, the peripheries of both the rims havingi^reat cogs 6 inches deep and 18 inches apart, which engaged a…
Inventions
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