Tintype dating a
Like daguerreotypes and ambrotypes before it, hand colouring was also possible and rouging of the subject's cheeks was the most common form of this.
Carte de visite sized card mounts (2½"x4") were developed to enclose the gem and the finished item was known as a carte de visite tintype or ferrotype.
The ferrotype process was a variation of the collodion positive, and used a similar process to wet plate photography.
A very underexposed negative image was produced on a thin iron plate.
A nine lens version of the camera was also produced that could produce up to 36 gems on a 5" x 7" plate.The term ‘ferrotype’ was in common use, but the public tended to prefer the less formal ‘tintype’, implying the cheap, tinny feeling of the material.Material These were made using a thin sheet of iron coated with black enamel and can be identified using a magnet.Unlike collodion positives, ferrotypes did not need mounting in a case to produce a positive image.A young boy poses for his photograph at Epsom Derby, 1947, William Jones, Science Museum Group collection.