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Free Books / Crafts / Boy Mechanic Vol1 / |  |
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Blue Dye |
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Free Books / Crafts / Boy Mechanic Vol1 / | |
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Blue Dye |
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This section is from the book "The Boy Mechanic Vol. 1", by Popular Mechanics Co.. Also available from Amazon: 700 Things for Boys to Do.
Prussian blue and Chinese blue are both the same chemically but they do not cut or look the same.
Continue to:
More:
crafts, popular mechanics, hobby, woodworking, amateur, weekend projects, boys, invention, tinkering
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