![[Heliolithogravure plates of microscopic photographs in Report of the secretary of agriculture, 1893]](https://bpldcassets.blob.core.windows.net/derivatives/metadata/commonwealth-oai:m039kc460/image_access_800.jpg)
Digital Commonwealth — Sterling and Francine Clark Art Institute Library
[Heliolithogravure plates of microscopic photographs in Report of the secretary of agriculture, 1893]
United States. Dept. of Agriculture · 1894
"3 heliolithogravure (crude photolitho) plates of microscopic photographs ... by The Orcutt Co., Chicago. The heliolithogravures are an odd and not very attractive procedure."--Hanson Collection catalog, p. 120
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