1860-70s Original Hand Drawn Mechanical Blueprint Schematic Diagram FL6-11
$75.00
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Probably about 16x20 unfolded, if you need an exact measurement please ask. Not totally sure on the date, was included with other documents primarily from the 1860s-70s and the paper and ink are consistent with that period. See pics for condition.1860-70s Original Hand Drawn Mechanical Blueprint Schematic Diagram FL6-11
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