calotype, a process of photography invented by Fox Talbot in 1840, by means of the action of light on nitrate of silver.
The notion of a "national reward" for the calotype scarcely requires a remark.
The calotype process, by which the images of the camera can be fixed upon paper, was invented by Mr. Talbot, in 1840.
At its base sat a beggar; while an artist, at a little distance, was sketching it with the calotype.
What price would some early edition of his works bear, 184 with his likeness in calotype fronting the title?
Three hours in the calotype and waxed-paper process, and half-an-hour sufficed for the collodion process!!
Why not adopt and abide by the simplicity of the calotype process as given in a late Number?
Curiously enough, though for very obvious reasons, the Daguerreotype seems to favour one method, the calotype the other.