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  1. WWI-vintage 28cm Haubitze L/12 siege howitzer engages Soviet fortifications in Sevastopol in 1942

    WWI-vintage 28cm Haubitze L/12 siege howitzer engages Soviet fortifications in Sevastopol in 1942

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  3. Robert Maddox designed and built a Pulsejet propelled Gokart

    Robert Maddox designed and built a Pulsejet propelled Gokart

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  4. German Schnellboot manufacture in 1941

    German Schnellboot manufacture in 1941

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