Rubuta ci gaba ga wannan sakin layi - Bayan da aka nuna a gida da kuma a nune-nunen zane-zane na kasa da kasa, kyautar "babban kyauta" a 1904 a St Louis International Exhibition
, ya ba su amincewar da suke bukata. An sami ƙarin lambobin yabo a wasu nune-nunen ƙasashen duniya, gami da Milan 1906; Christchurch, New Zealand, 1907; London 1908; Brussels 1910; Turin 1911; Ghent 1913.