Brown - figure 457

Beschreibung

Common mode of raising water from wells of inconsiderable depth. Counterbalance equals about one-half of weight to be raised, so that the bucket has to be pulled down when empty, and is assisted in elevating it when full by counterbalance.

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507 mouvements mécaniques

Permanentlinks

DMG-Lib		https://www.dmg-lib.org/dmglib/handler?image=21964023
Europeana		http://www.europeana.eu/portal/record/2020801/dmglib_handler_image_21964023.html

Datenbereitsteller

IFMA		http://www.ifma.fr
BCU		http://bibliotheque.clermont-universite.fr

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Brown - figure 457