Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c25.30
Indian Science and Technology in the Eighteenth Century: Some Contemporary European Accounts c25.30
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- English
c25.30
This drupa with vitriolated iron, makes a very fine black and I have frequently made writing ink with it that was good in every respect. This letter will give you a specimen of it...I have been at the expense of sending 3 tons of it at once...