Read it through once

“Mr. Pip,” said Wemmick, “I should like just to run over with you on my fingers, if you please, the names of the various bridges up as high as Chelsea Reach. Let’s see; there’s London, one; Southwark, two; Blackfriars, three; Waterloo, four; Westminster, five; Vauxhall, six.” He had checked off each bridge in its turn, with the handle of his safe-key on the palm of his hand. “There’s as many as six, you see, to choose from.”