author: thomas tredgold

A Practical Treatise on Rail-roads and Carriages, Shewing the Principles of Estimating Their Strenght, Proportions, Expense, and Annual Produce, ... Illustrated by Four Engravings and Numerous Useful Tables. By Thomas Tredgold, ..

... 1.69 , and the square root of 1.69 is 1.3 inches . Therefore , a plate 4 inches wide , 3 feet long , and 1.3 inches thick , disposed in the form shewn in fig . 19 , will be strong enough in this case , and its weight will be very nearly ...

A practical treatise on railroads and carriages, shewing the principles of estimating their strongth

... 1.69 , and the square root of 1.69 is 1.3 inches . Therefore , a plate 4 inches wide , 3 feet long , and 1.3 inches thick , disposed in the form shewn in fig . 19 , will be strong enough in this case , and its weight will be very nearly ...

A Practical Treatise on Rail-roads and Carriages: Shewing the Principles of Estimating Their Strength, Proportions, Expense, and Annual Produce, and the Conditions which Render Them Effective, Economical, and Durable : with the Theory, Effect, and Expense of Steam Carriages, Stationary Engines, and Gas Machines

... square root of the quotient will be the depth of the rail in inches , supposing it to be a plate of uniform thick ... 1.69 is 1.3 inches . = 1.69 , and the square root of Therefore , a plate 4 inches wide , 3 feet long , and 1.3 inches ...

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