Inspection today at Williams town of one of the 1000 h.p. motors of the American flying boat Guba, here from New Guinea for servicing of elaborate instruments. The only workshop in Australia where the servicing can be done is that of Australian National Airways at Essendon Airport. The picture is taken from the wing-tips, and gives a good impression of the size of the machine. December 5, 1938.;Inspection today at Williams town of one of the 1000 h.p. motors of the American flying boat Guba, her