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Amos Walter Woodward patent governor from 1870

Amos Walter Woodward patent governor from 1870.jpg A.W. Woodward Governor from 1870 patent.ThumbnailsThe Amos Woodward friction water wheel governor patent number 103,813.A.W. Woodward Governor from 1870 patent.ThumbnailsThe Amos Woodward friction water wheel governor patent number 103,813.A.W. Woodward Governor from 1870 patent.ThumbnailsThe Amos Woodward friction water wheel governor patent number 103,813.
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EXIF Metadata

Make
Canon
Model
Canon PowerShot SX130 IS
DateTimeOriginal
2012:01:09 10:59:08
ApertureFNumber
f/3.5

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