Vought Sikorsky on Twitter: "Attempting to combine the torque of steam & the efficiency of IC, Hawthorn Leslie built an 0-6-0 to the Paragon-Cristiani system in 1923. The unsuitability of its Paragon
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Vought Sikorsky on Twitter: "Attempting to combine the torque of steam & the efficiency of IC, Hawthorn Leslie built an 0-6-0 to the Paragon-Cristiani system in 1923. The unsuitability of its Paragon
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1943 Ad Paragon Gear Works Marine Internal Combustion Engines Ships WW – Period Paper Historic Art LLC
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