Lives of Boulton and Watt. Principally from the original Soho mss. Comprising also a history of the invention and introduction of the steam engine (1865)
Smiles, Samuel, 1812-1904 · Philadelphia, J. B. Lippincott and company; · leaf 357
himself said, Though I am not over anxious afterfame, yet I am more proud of the parallel motion than ofany other mechanical invention I have ever made. Wattwas led to meditate this contrivance by the practical ^ The engine was of 40-horse power.It was erected at the Black Works,Etruria, where it… … THE PARALLEL MOTION. inconvenience which he experienced in communicatingthe direct vertical motion of the piston-rod by means of racks and sectors, to theangular motion of theworking beam. He wasgradually led to entertainthe opinion that somemeans might be contrivedfor accomplishing this ob-ject by…
