Lub Stump Jump Plow tau tsim los ntawm Smith cov kwv tij hauv xyoo 1876. South Australia, tshwj xeeb tshaj yog tuaj yeem txaus siab rau cov kwv tij Richard thiab Clarence Smith hauv kev tsim, kev loj hlob thiab ua tiav ntawm Stump Jump Plow ntawmKalkabury, tam sim no Arthurton thiab kev tsim khoom loj hauv Ardrossan.
Lub hom phiaj ntawm Stump Jump Plough yog dab tsi?
Npau suav teb tau tsim kom cov neeg ua liaj ua teb dhia hla cov stumps ntawm lawv txoj kev thiaj li tiv thaiv lawv cov tshuab thiab zam kom tsis txhob raug nqi kom tshem tawm txhua tus stump. Clarence Herbert Smith yug hauv Alma Goldfields hauv Victoria xyoo 1856.
Thaum twg yog mallee scrub roller tsim?
Nyob hauv daim clip no, Bill tham txog kev tshem thaj av nrog cov zej zog tsim Mallee Cov Menyuam (ua hauv 1925) - ua qauv qhia zoo ntawm Australian kev ua liaj ua teb ingenuity, cuam tshuam ntawm Australians rau toj roob hauv pes thiab kev hloov pauv thiab txuas ntxiv mus nyob rau thaj chaw nyob deb nroog.
Vim li cas cov Kwv Tij Smith tseem ceeb?
Cov kwv tij Smith ' plough yog ib qho tseem ceeb tshaj plaws ntawm Australian inventions ntawm lub xyoo pua puas xyoo; los ntawm ib nrab xyoo pua nees nkaum plaub-farrow hnyav disc plows tau siv, tseem ceeb ua haujlwm ntawm tib txoj cai.
Puas yog lub pob zeb dhia Plow tseem siv niaj hnub no?
Albert Arnold pub nws ob-furrow stump-dhia plough, ua nyob rau hauv 1882-3, mus rau Technological Museum (tam sim no Powerhouse Tsev khaws puav pheej, ib feem ntawm Tsev khaws puav pheej ntawm Applied Arts & Sciences) hauv Sydney, xyoo 1926. Nws tseem nyob ntawm qhov screen.
