Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,711 pages of information and 247,104 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
This was a system to facilitate dynamic balancing of rotating machinery, invented by Franz Lawaczeck of Halle-on-the-Salle and Hans Heymann of Darmstadt. Patented in USA 5 June 1923 (filed 22 December 1917). US patent (pdf) here. More information here.
The machine made by the Carl Schenck Co, was described in The Engineer in 1922[1]
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