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ITALIEN LEONARDO DA VINCI - ERFINDUNGEN
Leonardo' sketch of an automatic bobbin winder with an exploded view to illustrate the component parts. The crankshaft rotates the bobbin and the connecting rod moves the bobbin back and forth continuously so that the thread is would evenly round the bobbin (KEYSTONE/SCIENCE PHOTO LIBRARY/SHEILA TERRY)
Instruktionen
COPYRIGHTPFLICHTIG
Lizenz
Rights Managed
Erstellungsdatum
20110919
Ort
ITALIEN
Credit
KEYSTONE
Source
SCIENCE PHOTO LIBRARY SPL
Byline
SHEILA TERRY
Grösse
3428 x 5099 px
Dateityp
JPEG