Read the excerpt from Into the Unknown by Stewart Ross
Which text feature would best support the details in the
excerpt?
It was soon clear that the Ma Robert had serious design
faults. Her engine was not powerful enough to drive her
upstream against strong currents, and her boiler consumed
vast quantities of wood: a day's steaming needed one and
a half day's wood-cutting. Her hull was made of thin sheets his
of a new kind of steel that had not been tested. It soon
developed so many holes that it leaked like a colander and
had to be continually pumped out. "For us, steam was no
labor-saving power." Livingstone grumbled in his journal.
He called the Ma Robert all sorts of names: the wretched
little steamer," the "tin kettle, and the slow puffing
Asthmatic
a photograph of Charles Livingstone
an illustration of Ma Robert
a map of the African continent
a chart of the many uses of steam