Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 28
er that,while three of the angles describe circles, the fourth moves in nearly astraight line. Watt was himself surprised at the regularity of the action.When I saw it work for the first time, I felt truly all the pleasure ofnovelty, as if I ivas examining the invention of another man A B is half… … fixed centre, c,while D E is mov-able about thecentre D, itselfmoving in an arc,of which c is thecentre. The dot-ted lines show theposition of thelinks and barswhen the beamis at its highestposition. Fig. 4«.- Watts Parallel Motion. Many improvements in the details and fittings of almost every part…
Inventions
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