The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the
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"Compiled by Mr. L. L. Hopkins."
"The manufacture of sand-lime brick was dealt with in a former publication ... (Brick manufacture and bricklaying, 1912) and has not been included in the present list."--p. 5