Ralph Samuelson, suav tias yog "txiv" ntawm kev ua kis las, thawj zaug rau kev caij ski hauv dej hauv xyoo 1922 ntawm Lake Pepin, Minn. Fred Waller ntawm Long Island, NY, tau txais thawj patent (1925) ntawm tus qauv tsim rau dej skis.
Leej twg xub tsim dej caij ski?
Kev caij ski dej yog tsim los ntawm ob kwv tij, Ralph thiab Ben Samuelson, hauv Minnesota, Tebchaws Asmeskas thaum lub caij ntuj sov xyoo 1922.
caij ski dej pib li cas?
Kev caij ski hauv dej tau tsim nyob rau xyoo 1922 thaum Ralph Samuelson siv ob lub rooj zaum ua skis thiab ib lub khaub ncaws ua khaub ncaws rau ntawm Lake Pepin hauv Lake City, Minnesota. … Samuelson tau pom tias kev thim rov qab hauv dej nrog cov lus qhia caij ski nce thiab tawm hauv dej ntawm qhov taub yog txoj hauv kev zoo.
qhov chaw yug ntawm dej skiing?
Lake City, nyob ib sab ntawm Lake Pepin, qhov chaw dav tshaj plaws ntawm Mississippi River, yog qhov chaw yug ntawm dej-skiing, tsim tawm xyoo 1922 los ntawm Ralph Samuelson.
thawj dej caij ski yog dab tsi?
Nyob rau xyoo 1925, Fred Waller ntawm Huntington, New York, patented thawj cov dej skis, hu ua Dolphin AkwaSkees, ua los ntawm kiln-qhuav mahogany - Waller tau xub caij ski ntev. Island Sound hauv xyoo 1924. Ralph Samuelson yeej tsis tau patented ib qho ntawm nws cov khoom skiing dej.
