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L.L. Hill, "The Hillotype"
from A Treatise on Heliochromy, 1851

The Hillotype

This name—"The Hillotype"—was first given to my process by S.D. Humphrey, Esq., editor of the Daguerrean Journal. He did so on his own responsibility. I called it, from the first, "The Heliochrome." Mr. Humphrey's godfather-ship has, however, been universally adopted by the public. I am now to detail the process known by Mr. Humphrey's cognomen, and will do so.

 


As a Formula.  
The Formula Explained  
My Method of Working the Formula.

The foregoing statement of my formula, its explanation, and my method of working the formula, I have given in such a way as to avoid confusion, and at the same time to impart all necessary instruction. I have the fullest confidence in the success of all who bring to the process the aid of skill, industry, and perseverance.


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