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File:Enigma (crittografia) - Museo scienza e tecnologia Milano.jpg

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Original file(1,039 × 1,133 pixels, file size: 644 KB, MIME type: image/jpeg)

Summary

Description
Italiano: Macchina crittatrice e decrittatrice. Esposta presso il museo nazionale della scienza e della tecnologia "L. Da Vinci" di Milano. La macchina Enigma si presenta come una scatola metallica scura con, sul lato superiore, una tastiera riportante 26 lettere posta inferiormente rispetto ad una sua esatta riproduzione in versione di "spie luminose" (visore), tali, cioè, che una lettera della tastiera superiore si illumina ogni qualvolta viene premuto un tasto in quella inferiore. Aprendo la macchina, sotto il visore sono visibili 28 portalampade: 26 per illuminare le lettere del visore prima descritto, 1usato come provalampade e 1 come tester. Superiormente alla "tastiera luminosa" sono posizionate a sinistra tre feritoie, da ciascuna delle quali si affaccia la corona dentata (anello) di un disco (rotore, tre in tutto) e una corrispondente finestrella che mostra la cifra di un contatore, e a destra un selettore meccanico. Frontalmente, la macchina presenta un pannello (steker) a 52 plug o prese, ove sono inseribili degli spinotti per il completamento di circuiti elettrici (collegamenti tra tastiera e primo rotore).
Date
Source
institution QS:P195,Q947082
Author Alessandro Nassiri

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23 April 2012

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Date/TimeThumbnailDimensionsUserComment
current06:09, 20 April 2016Thumbnail for version as of 06:09, 20 April 20161,039 × 1,133 (644 KB)OSCropped
14:01, 1 April 2016Thumbnail for version as of 14:01, 1 April 20161,980 × 1,320 (490 KB)Annalisa Pogliana (Museoscienza)User created page with UploadWizard
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