Portable Step and Bridge Ladder, System Porta (1874)
Transportable Luft- und Brücken-Leiter, System Porta (1874)
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The image shows a CAD model of a mobile ladder, which consists of intermateable separate ladder segments. The image shows the ladder in the upright, put together state. The mechanic Paul Porta, who lived in Milan, applied this ladder for a patent in 1874.

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Mechanisms: Portable Step and Bridge Ladder, System Porta (1874)
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ITUIlmenau TU  http://www.tu-ilmenau.de
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Time of creation 2014
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Portable Step and Bridge Ladder, System Porta (1874)
Transportable Luft- und Brücken-Leiter, System Porta (1874)
Click pentru a măriClick pentru a mări Description

The image shows a CAD model of a mobile ladder, which consists of intermateable separate ladder segments. The image shows the ladder in the upright, put together state. The mechanic Paul Porta, who lived in Milan, applied this ladder for a patent in 1874.

Linked items
Mechanisms: Portable Step and Bridge Ladder, System Porta (1874)
Permanent links
DMG-Lib FaviconDMG-Lib https://www.dmg-lib.org/dmglib/handler?image=48221023
Data provider
ITUIlmenau TU  http://www.tu-ilmenau.de
Administrative information
Time of creation 2014

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