Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,717 pages of information and 247,131 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.

Lawaczeck-Heymann Balancing System: Difference between revisions

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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) [https://patentimages.storage.googleapis.com/07/61/f3/b159f922b8a3b6/US1457629.pdf here]. More information [https://patents.google.com/patent/US1457629A/en here].
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) [https://patentimages.storage.googleapis.com/07/61/f3/b159f922b8a3b6/US1457629.pdf here]. More information [https://patents.google.com/patent/US1457629A/en here].
== See Also ==
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== Sources of Information ==
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Revision as of 10:36, 9 January 2021

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.

See Also

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Sources of Information