Chap. X Cyanotype — Energiatype — Chromatype — Anthotype — Amphitype and “Crayon Daguerreotype.”
The several processes enumerated at the head of this chapter, are all discoveries of English philosophers, with the exception of the third and last named. Anthotype was first attempted by M. Ponton a French savan, although it was reserved to Mr. Hunt to bring the process to its present state. The “Crayon Daguerreotype” is an improvement made by J. A Whipple, Esq., of Boston.
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