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Effect on Photography

The process that Archer made was later known as the *ambrotype* and was the basis for later inventions such as the ferrotype or tintype. Studios in England were offering pictures taken in this way before the end of 1852.

The name *ambrotype* was given to this process because the images were thought to be imperishable and unfading. It was named by Marcus Root from the Greek word Ambrotos, which means immortal. Many of these are still in remarkably good condition and can be viewed in England gallery's.

It was also discovered that guncotton could be reliably used as a substitute for gunpowder. It needed to be made into a jelly like material.