Title: Building for the Great Exhibition 1851.
Signed and Titled in the plate: London, J. T. Wood. Holywell St. National Gallery. Building for the Great Exhibition 1851. Designed by Mr. Paxton-will occupy 18 acres of ground. It will be 1848 feet long by 408 broad and 66 feet high. Number of Columns-6024. 3000 Gallery bearers. 45 Miles of Sash Bars. 900,000 feet of Glass to cover it. The Gallery will be 24 feet wide & extend nearly a Mile Length of space for exhibition 8 Miles. Total cost £79,800.
Dimensions: 4 1/2" x 6".
Publisher: Joseph Thomas Wood, leading printer, publisher, books and stationery seller of Victorian Era.
Date: Circa 1851.
Materials and Techniques: Steel line engraving on "enamel card." Another name is "porcelain card."
Condition: Good. The signs of aging are appropriate for the time. A detailed condition report is available on demand.
Museums and Libraries: The British Museum and V&A Museum keep several cards.
Note: There is more about J. T. Wood in the informative post "J. T. Wood of the Strand" by Laurence Worms (Ash Rare Books) in his blog "The Bookhunter on Safari."