File:PSM V38 D605 Lever shears for cutting bar iron.jpg
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DescriptionPSM V38 D605 Lever shears for cutting bar iron.jpg |
English: Caption: "Lever shears for cutting bar iron." Key: "The cutting knives are located at a b, and when the eccentric d is revolved by the rotation of the shaft on which it is placed, it lifts the long arm of the lever c and caused the upper knife b to cut or 'shear' past the lower knife a, thus dividing any bar of iron that may be been between the two knives." |
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Date |
between 1890 and 1891 date QS:P,+1890-00-00T00:00:00Z/8,P1319,+1890-00-00T00:00:00Z/9,P1326,+1891-00-00T00:00:00Z/9 |
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Source | Popular Science Monthly Volume 38 | |||||
Author | Unknown authorUnknown author | |||||
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current | 01:15, 25 October 2010 | 1,703 × 761 (213 KB) | Ineuw (talk | contribs) | {{Information |Description = Lever shears for cutting bar iron |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_38.djvu/605 |Date = 1890-1891 |Author = Unknown |Permission = {{PD-old}} |oth |
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