The visitor to the Paris Exhibition was Charles Colné. While Colné's early career was as a civil servant in Washington, he was the son of a glass maker and well prepared to comment on the glass industry.
| Reports of the United States Commissioners to the Paris Universal Exposition, 1878. Volume III: Iron and Steel, Ceramics and Glass, Forestry, Cotton. Report on Glass by Mr. Charles Colné, page 243-387. Washington: Government Printing Office, 1880. |
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