Civil War Engineer Maps on Scratch Paper????

SwampHunter

Sr. Member
Mar 6, 2007
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Samuel Watson's Old Place
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Minelab Xterra 70, Tesoro Silver uMax, Fisher 1265X, Garrett Ace 250, Garrett Pro Pointer
I've seen scanned images of maps like that at the Library of Congress. Very hard to read... I just assumed they were carbon paper so several copies could be made at once.

I think carbon paper has been around since before the Civil War.

Now that I think about it, if you're looking at used carbon paper, wouldn't the map be backwards?

DCMatt
 

they might be Cyanotype.. or "blueprint" it's been around since 1842. Back when it got into surveying, we made copies on a blueprint machine. It stunk like ammonia and "printed" everything with a blue background and white lines. Some older blueprinted documents were on a fabric like "paper".
 

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