Tuhia he tomokanga mo tenei whitianga - Ko te kohinga rama rama a Hammer mai i te ao katoa i tapaina ko "Te hitori o te toi" a i whakaatuhia e ia i nga wa maha i roto i nga whakaaturanga hiko me nga whakaaturanga. I whakaatu tuatahihia e ia i te tau 1882 i te International Electrical Exposition i te Crystal Palace i Ranana ka whakawhiwhia ki a ia he mētara hiriwa mo te whakaaturanga. I a ia e whakaatu ana i tana kohinga i te St. Louis World's Fair o 1904
i whakawhiwhia ki a ia te Tohu Nui.