Anatomical Plates

 Anatomical Plates from the Thomas Fisher Rare Book Library  At The  University of Toronto.

 

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  About This Plate:                  

Descriptive Title:		Muscles of the back, shoulder and buttocks.
Actual Title:		Tome 2. Pl. 83
Artist:		Jacob, Nicolas Henri, 1781-1871
Technique:		lithography, with hand-colouring
Dimensions:		39 x 22 cm.

 

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About This Plate:

Descriptive Title:

Facial muscles, masticatory muscles, neck muscles.

Actual Title:

Tome 2. Pl. 95

Artist:

Jacob, Nicolas Henri, 1781-1871

Technique:

lithography, with hand-colouring

Dimensions:

38 x 26 cm.

Planographic processes

The principal planographic process employed in book illustration is lithography [14], invented by Alois Senefelder in 1798. As the name implies, lithographs were originally produced on a stone, though later zinc plates were used. Coloured or tinted inks were used from around 1830 to produce tinted lithographs which were then finished with hand-colouring [15]. Chromolithography, patented in 1837, employed multiple stones, one for each colour, requiring considerable skill in alignment [16]. By the 1830s lithography became the most common form of medical illustration, and remained so for the remainder of the century and beyond.
Plates were signed in a similar way to intaglio plates, with the artist's name to the right, the person responsible for transferring the image to the plate on the left, and often the name of the lithographic printer added in the centre [17]

For more information on different printing techniques from the aforementioned website go here