Date: | c. 1910s |
Material: | Ink on glass |
Dimensions: | ¼ x 3¼ in. (8.2 x 8.2 cm) |
Company: | W. Butcher & Sons, Ltd. |
Location: | London, England |
Used to create diagrams on custom slides for use in the classroom. The diagram here was added for illustrative purposes and is not original.
