Andthere were four undersetters to, &c. Literally, -shoulders at &c." The mention of these -shoulder-pieces" again immediately after the wheel seems, if we may rely on the correct order of the text, to shew that they belonged to the wheel-work.

of one base That is, of each one.

of the very base itself The -very" is surplusage. Literally, it is -from (i.e. of) the base were its shoulders," i.e. they were of one piece with it.

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