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Worm gear, also known as Martinello, for raising heavy metal gates or doors, gear arrangement...

IMAGE number
DGA3938417
Image title
Worm gear, also known as Martinello, for raising heavy metal gates or doors, gear arrangement in which an endless screw, also known as worm screw or revolving screw, meshes with worm-wheel, copperplate engraving
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Location
Museo Nazionale della Scienza e della Tecnologia 'Leonardo Da Vinci', Milan, Italy
Image description

Worm gear, also known as Martinello, for raising heavy metal gates or doors, gear arrangement in which an endless screw, also known as worm screw or revolving screw, meshes with a worm-wheel, copperplate engraving, from Novo Teatro di Machine et Edificii per Varie et Sicure Operationi, by Vittorio Zonca, published by Pietro Bertelli, Padua, 1607. Vite perpetua, o Martinello, per alzare e abbassare inferriate e porte di grandissimo peso, ingranaggio a vite senza fine, risultante dall'accoppiamento di una vite a evolvente con una corona cilindrica elicoidale, incisione su rame, da Novo Teatro di Machine et Edificii per Varie et Sicure Operationi, di Vittorio Zonca, edito da Pietro Bertelli, Padova, 1607.

Photo credit
© Icas94 / © NPL - DeA Picture Library / Bridgeman Images
Image keywords
engraved image / technology / machinery / gear / vertical / arch / indoors / industry / illustrations / pushing / one person / illustration / 1607 / pietro bertelli / milan museo nazionale della scienza e della tecnica 'leonardo da vinci' (science and technology museum) / vittorio zonca / novo teatro di machine et edificii per varie et sicure operationi
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Largest available format 3630 × 5709 px 24 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB]
Large 3630 × 5709 px 307 × 483 mm 23.9 MB
Medium 651 × 1024 px 55 × 87 mm 1.0 MB

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