Suspension bridge major wire-cable suspension bridge was the in Philadelphia, Pennsylvania. Designed by Charles Ellet, Jr. and completed in 1842, it had a span of 109 m. Ellet's Niagara Falls Suspension Bridge (1847–48) was abandoned before completion. It was used as scaffolding for John A. Roebling's double decker railroad and carriage bridge (1855). The Otto Beit Bridge (1938–39) was the first modern suspension bridge outside the United States built with parallel wire cables. The main forces in a suspension bridge of any type are tension in the cables and compression in the pillars. Since almost all the force on the pillars is
Pontoon (card game) the rules. The computer-generated Pontoon basic strategy and house edge tables below are reproduced from "The Pro's Guide to Spanish 21 and Australian Pontoon", with permission of the author, Katarina Walker. Pontoon strategy is far more difficult than Blackjack, however, casinos do not generally object to people using strategy charts at the table. Pontoon strategy is very similar to Spanish 21 strategy, but there are some crucial differences, mainly due to the no-hole-card rule, and the limitations on soft doubling. Pontoon does, on average, have a lower house edge than its American counterparts because of the no-hole-card rule, which means