vious that a difference of zo$55 Of an naces. Now that the scaffolding is entirely removed, cated by means of a mechanical multiplier. inch is an appreciable‘and important quantity. the stone shows to good advantage; and as itis a “In the case of the workshop measuring machine, the It will be at… … circle with a reversed side of the standard gauge and the twelve feet, and has an in- bearing bored out to fit a of aninch. The screw has 20 threads to an inch, and cline of about 3344 degrees. The road is supported difference gauge, which has to be as much larger as ex- by 16 iron pillarsset in…
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