wheel of the gyroscope has cemented upon each of the supporting frame of the instrument in such a form, the main cable bands being put on at intervals face, close to the edge, three round pieces of sheet manner as to admit of being turned in either direc- of 20 feet, and screwed up so as to take a… … thus secured is communicated to the and prevent any sagging of the cables vertical spindle of the gyroscope by a at that particular point. Intersecting slender vulcanite rod, extending down- the bottom chord of the two trusses at ward, and entering the top of the brass pivot ring. right angles, at…
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