Lewis (Lifting Appliance)
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8VNQ1TA5RLE
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Geliefert zwischen Fr., 26.09.2025 und Mo., 29.09.2025
Details
High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! A lewis is one of a category of lifting devices used by stonemasons to lift large stones into place with a crane, chain block, or winch. It is inserted into a specially prepared hole, or seating, in the top of a stone, directly above its centre of mass. It works by applying principles of the lever and utilises the weight of the stone to act on the long lever-arms which in turn results in a very high reaction force and friction where the short lever-arms make contact with the stone inside the hole and thereby prevents slipping.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786131134845
- Genre Technik
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Anzahl Seiten 100
- Herausgeber Betascript Publishing
- EAN 9786131134845
- Format Fachbuch
- Titel Lewis (Lifting Appliance)
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