![[Carbon print and collotype in The A. B. C. guide to the making of autotype prints in permanent pigments]](https://bpldcassets.blob.core.windows.net/derivatives/metadata/commonwealth-oai:6m311w97j/image_access_800.jpg)
Sawyer, J. R. The A. B. C. guide to the making of autotype prints in permanent pigments · 1895
"1 carbon print (single transfer) from a photograph, 1 collotype (Sawyer's process) from a photograph of a carbon printing setup."--Hanson Collection catalog, p. 123
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