æt bˈɛvɚli hˈɪlz, dɪzˈaɪnɚɹ ˈɑːɹt pˈɪlsbɛɹi, hˌuː ᵻvˈɛntʃuːəli wˈɜːkt ˌɔn mˈoːɹ ðɐn hˈæf ʌvðə tʃˈæmpiənʃˌɪpkˈælɪbɚ bˈoːɹd tɹˈæks nˈeɪʃənwˌaɪd, fˈɜːst ɛmplˈɔɪd ðə sˈɪɹl spˈaɪɚɹəl ˈiːzmənt kˈɜːv, ænd ðɪ ɪfˈɛkt ˌɔn kˈɑːɹ hˈændlɪŋ wʌz pɹənˈaʊnst.
At Beverly Hills, designer Art Pillsbury, who eventually worked on more than half of the championship-caliber board tracks nationwide, first employed the Searle Spiral Easement Curve, and the effect on car handling was pronounced.