Gadzira shanduro yakaoma zvikuru yemutsara uyu Njanji Isingaoneki yakatanga kurongwa nenyanzvi yezvemhuka yeChirungu George Robert Gray muna 1860.
Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi "The Invisible Rail, yakatanga kurongwa nenyanzvi yezvezvipfuwo yechiNgezi George Robert Gray muna 1860, ndiyo nhengo bedzi yerudzi rwomunhu mumwe '' Habroptila '".