Bayan wani sake fasalin ma'aikatan mishan, Rev. George Schwarz ya isa a watan Satumbar 1887.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Bayan sake sake fasalin ma'aikatan aikin, Rev. George Schwarz ya isa Satumba 1887, sannan Rev. Wilhelm Poland a 1889. "