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John Courtney

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Courtney, John

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The Boilermaker's Assistant In Drawing, Templating, And Calculating Boiler Work And Tank Work. With Rules For The Evaporative Power And The Horse Power Of Steam Boilers, And The Proportions Of Safety-valves; And Useful Tables Of Rivet Joints, Of Circles,

The Boilermaker's Assistant In Drawing, Templating, And Calculating Boiler Work And Tank Work. With Rules For The Evaporative Power And The Horse Power Of Steam Boilers, And The Proportions Of Safety-valves; And Useful Tables Of Rivet Joints, Of Circles,