Thursday, 5 July 2012

Gunpowder




Gunpowder became known in the West about the middle of the thirteenth century. The Franciscan scientist Roger Bacon mentioned it as something already widely known; this is his description of a firecracker:

“There is a child’s toy of sound and fire made in various parts of the world with powder of saltpetre, sulphur and charcoal of Hazelwood. This powder is enclosed in an instrument of parchment the size of a finger, and this can make such a noise that it seriously distresses the ears of men, especially if one is taken unawares, and the terrible flash is also alarming; if an instrument of a large size were used, no one could stand the terror of the noise and flash. If the instrument were made of sold material, the violence of the explosion would be much greater.”

3 comments:

Stephanie said...
This comment has been removed by the author.
Stephanie said...

August 7, 2012


Good day,

My name is Stephanie Merced and I am from Davao City, Philippines. I am writing to you to request
permission to use one picture regarding The Effects of Chinese influence on trade in the Philippines.
I searched for pictures and then I saw the one you posted in this blogpost entitled "Gunpowder"
and I want to use the picture for our project in Seminar on Asia class exhibit entitled The Wave of the Oriental Dragon
Chinese Trade and Migration: A Bigger Picture. We will use it on August 28, 2012 as one of the
photos that we've collected regarding the Effects of Chinese Trade and Migration in the Philippines.



Thank you for kind consideration. Hoping for your reply.


Sincerely,

Stephanie Merced
stephaniemerced@gmail.com

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