LIBROS DEL AUTOR: george a duncan

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  • BURLEY INNOVATIONS
    George A. Duncan / George ADuncan
    Burley tobacco thrived in Kentucky and elsewhere for over a century as a profitable farm cash crop with intensive manual labor requirements. Many efforts were made to reduce labor required for production methods. This book describes over 140 innovative methods, structures and machines that have been created during this period. Brief performance data and adoption comments are ma...
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    46,77 €